Paloma PH-203EWH Owner's Manual And Installation Instructions
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Paloma PH-203EWH Owner's Manual And Installation Instructions

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PH-203EWH

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  • Page 1 PH-203EWH...
  • Page 2 Paloma Co., Ltd. TRADEMARKS ® Registered Trademark of Paloma Co., Ltd. Note: Every care has been taken to ensure accuracy in preparation of this publication. No liability can be accepted for any consequences, which may arise as a result of its application.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 40. The other pages are intended for the installer but may be of interest. Contents ............................3 About Your Water Heater ......................4 Temperature Control ........................9 Temperature Control – Deluxe ....................10 Save A Service Call ........................

  • Page 4: About Your Water Heater

    ABOUT YOUR WATER HEATER MODEL TYPE The electronic continuous flow gas water heater model you have chosen is for outdoor installation only. This warranty (refer to “Warranty” on page 55). model has an extended The water heater can supply hot water up to a maximum temperature with controllers fitted of 60C.
  • Page 5 The pre-set outlet temperature setting of this water Note: controller temperature setting heater cannot be adjusted by the householder. The setting can only be adjusted by the installer, or your nearest Paloma Service Agent. Minimum controller setting 37°C If this water heater is installed as part of a solar water heater system, the installer has checked and if required, adjusted the pre-set outlet temperature setting of the water heater to 75C.
  • Page 6 The power supply cord and plug must be replaced with a genuine replacement part available from your nearest Paloma Service centre. The warranty can become void if relief valves or other safety devices are tampered with or if the installation is not in accordance with these instructions.
  • Page 7 ABOUT YOUR WATER HEATER TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater:  Turn off the controllers(s) (if fitted) by pressing the on / off button. The light in the on / off button will go out and the ACTIVE light (Deluxe controller), if it is on, will go out. ...
  • Page 8 SERVICING For safe and efficient operation, the water heater should be serviced annually by your nearest Paloma Service centre. Only genuine replacement parts should be used on this water heater. Warning: Servicing of a gas water heater should only be carried out by authorised personnel.

  • Page 9: Temperature Control

    TEMPERATURE CONTROL CONTROLLERS The water heater can be installed with controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. Deluxe Controllers There are three types of deluxe controller. They are the Kitchen Deluxe controller Bathroom1 Deluxe controller and the Bathroom2 Deluxe controller The Deluxe controllers are identified by a ‘K’...

  • Page 10: Temperature Control - Deluxe

    TEMPERATURE CONTROL – DELUXE DELUXE CONTROLLER FUNCTIONS If one or more Deluxe controllers are installed, at least one must be on or the bath fill function activated for the water heater to operate. If all Deluxe controllers and the bath fill function are off, the water heater will only deliver cold water.
  • Page 11 TEMPERATURE CONTROL – DELUXE BATH FILL WATER The selected bath fill water volume is displayed in litres on all Deluxe VOLUME display panel controllers. The selected bath fill water volume is displayed whenever the Bath on (refer to “Bath Fill Mode” on page 19) or when the bath fill water Fill mode is volume is being adjusted and the Bath Fill mode is off.
  • Page 12 TEMPERATURE CONTROL – DELUXE VOICE PROMPT AND OPERATING TONE The Deluxe controllers have a series of voice prompts and operating tones which sound during certain operations. The voice prompts and operating tones sound from all Deluxe controllers, regardless of which Deluxe controller is being operated at the time.
  • Page 13 TEMPERATURE CONTROL – DELUXE Adjusting the Volume of the Voice Prompt and Operating Tone The volume of the voice prompt and the operating tone can be adjusted to a level comfortable for you. The volume of the voice prompt and the operating tone can be adjusted independently of each other. The volume levels on a Deluxe controller are adjusted independently of another Deluxe controller.
  • Page 14 TEMPERATURE CONTROL – DELUXE TEMPERATURE SETTINGS – DELUXE CONTROLLERS The temperature settings of each type of Deluxe controller are: 37C to 46°C (in 1 C increments), 48C*, 50C  Bathroom1 & 2 Deluxe 37C to 46°C (in 1 C increments), 48C*, 50C, 55C, 60C, ...
  • Page 15 TEMPERATURE CONTROL – DELUXE KITCHEN CONTROLLER – DELUXE The Kitchen Deluxe controller allows the user to select the temperature setting for the hot water to be used in the kitchen and laundry. It has a minimum temperature setting of 37C and a maximum temperature setting of: ...
  • Page 16 TEMPERATURE CONTROL – DELUXE To operate the Kitchen Deluxe controller: Turn off the Bathroom Deluxe controller(s) If a temperature setting is displayed and the ACTIVE ■ light is not glowing, it is necessary to turn off the Bathroom Deluxe controller(s) to gain priority. Refer to the notes on the Kitchen Deluxe controller ■...
  • Page 17 TEMPERATURE CONTROL – DELUXE BATHROOM CONTROLLERS – DELUXE The Bathroom Deluxe controller(s) allows the user to select the temperature setting for the hot water to be used in the bathroom. They have a minimum temperature setting of 37C and a maximum temperature setting ...
  • Page 18 TEMPERATURE CONTROL – DELUXE To operate a Bathroom Deluxe controller: Turn off the Kitchen Deluxe controller If a temperature setting is displayed and the ACTIVE ■ and ON / OFF operating lights are not glowing, it is advised to turn off the Kitchen Deluxe controller. Refer to the notes on the Bathroom Deluxe BATH FILL ON/OFF...
  • Page 19 TEMPERATURE CONTROL – DELUXE BATH FILL MODE The Bath Fill mode is designed to allow the water heater to deliver a selected volume of water at a selected temperature. The Bath Fill mode commences when the BATH FILL button is on and a hot tap is opened. When the set volume has been delivered, the water flow from the water heater ceases and heating stops.
  • Page 20 TEMPERATURE CONTROL – DELUXE Close the front panel on the Deluxe controller. Deluxe controller Rheem Turn on the Bath Fill mode Press the BATH FILL button. ■ On all Deluxe controllers: 1 2 0 The BATH FILL operating light will glow. The bath fill temperature setting will appear on the temperature display panel.
  • Page 21 TEMPERATURE CONTROL – DELUXE Bath Fill Mode – Explanatory Notes To operate the Bath Fill mode: Turn off all Deluxe controllers It is advised to turn off all Deluxe controller(s) before ■ activating the Bath Fill mode. Refer to the notes on the Bathroom Deluxe controllers on page 17.
  • Page 22 TEMPERATURE CONTROL – DELUXE Set the bath fill water volume Press the BATH FILL VOLUME ∧(up button) or the ■ BATH FILL VOLUME ∨(down button). The first press of either the BATH FILL VOLUME ∧ VOLUME ∨(down up button) BATH FILL button) l change the water volume setting by 10 es.hen H LL VOLUME ∧(up button) is essed he water ing is ompt will sound;“caution, bath fill water...
  • Page 23 TEMPERATURE CONTROL – DELUXE Open the hot tap. The operating light will glow on all Deluxe controllers. Measurement of the water flow at the water heater will 1 2 0 commence when the hot tap is opened. Notes: BATH FILL ON/OFF If a second hot tap is opened when the Bath Fill mode ■...
  • Page 24 TEMPERATURE CONTROL – DELUXE Turning Off Bath Fill Mode During Its Operation The bath fill operation can be interrupted by pressing the BATH FILL button before completion of the bath fill operation. If it is necessary to turn off the Bath Fill mode before the operation is complete, during Step ...
  • Page 25 TEMPERATURE CONTROL – DELUXE Notes on the Bath Fill mode:  The Bath Fill mode can be set and turned on at any of the Deluxe controllers.  The Deluxe controllers do not require to have priority (ACTIVE light glowing) or be on in order to set the bath fill water volume or bath fill temperature or to turn the BATH FILL button on.
  • Page 26 TEMPERATURE CONTROL – DELUXE Opening a Second Hot Water Tap During Bath Fill Operation  The bath fill water volume is measured as the water flows through the water heater. If more than one hot tap is open, the Bath Fill mode will measure the total water volume drawn from all taps and the expected water volume from the first tap will be decreased.
  • Page 27 TEMPERATURE CONTROL – DELUXE Operation of the Bath Fill mode whilst a Deluxe Controller is ACTIVE It is recommended the Bath Fill mode be set and operated with the Deluxe controllers turned off (refer to Step 1 on page 21). However, if a Deluxe controller is ACTIVE during the setting and operation of the Bath Fill mode, then the following additional events occur: During Step 3, when the bath fill temperature is being set...

  • Page 28: Save A Service Call

    SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault, which is not related to manufacture or failure of a part (refer to “Warranty” on page 55). NO DISPLAY ON THE CONTROLLER ...
  • Page 29 SAVE A SERVICE CALL GAS BOOSTER OPERATING TOO FREQUENTLY If the water heater is installed as a gas booster water heater to a solar preheat water heater, you may find that the water heater operates more frequently than expected. This will occur when the solar preheat water temperature is lower than 58°C, which may be experi enced during periods of low solar energy gain or if there has been heavy hot water usage.
  • Page 30 OK MONITOR, turn off the hot tap and turn off the controller(s). Phone your nearest Paloma Service centre to arrange for inspection. HIGH GAS BILLS Should you at any time, feel your gas account is too high, we suggest you check the following points: ...

  • Page 31: Installation - Water Heater

    INSTALLATION – WATER HEATER WATER HEATER LOCATION & INSTALLATION Location of Paloma Gas Water Heater The water heater should be installed close to the most frequently used outlet and its position chosen with safety and service in mind. If this water heater is part of a solar water heater system, it should also be installed close to the solar storage tank.

  • Page 32: Connections - Plumbing

    The minimum recommended pipe size is DN20. Please ensure a shut off valve is installed on the cold water inlet to the unit and that hot and cold water are connected correctly to the unit where marked. Paloma units require a minimum water pressure of 80kpa (0,8 bar) to operate.

  • Page 33: Connections - Electrical

    It is important to ensure that an adequate gas supply pressure is available to the water heater when other gas burning appliances on the same gas supply, are operating. PLEASE NOTE: ALL PALOMA UNITS ARE CORRECTLY SET AND INDIVIDUALLY TESTED BY THE MANUFACTURER. NO INTERNAL ADJUSTMENTS SHOULD BE MADE TO THE GAS...
  • Page 34 Air intake at bottom of unit must be clear from obstruction and in area where little dust etc can enter unit LPG Gas Installations 48kg cylinders to be used (coastal applications - 19kg cylinders may be used for Paloma 20 l/m units only) 4kg/hr changeover regulator @ 2,8kpa ¾”...
  • Page 35 For solar back-up installations, water of not more than 75 degrees centigrade can be fed through the unit All filters, including tap filters should be cleaned regularly for optimal performance PLEASE NOTE: ALL PALOMA UNITS ARE CORRECTLY SET AND INDIVIDUALLY TESTED BY THE MANUFACTURER. NO INTERNAL ADJUSTMENTS SHOULD BE MADE TO THE GAS...

  • Page 36: Ez-Link System Dual Installation

    The two continuous flow water heaters must be of the same model. The performance of two different model water heaters manifolded together cannot be guaranteed.  Paloma PH-203EWH model water heaters do not require a temperature controller to be installed as part of an Ez-link system installation. ...
  • Page 37 Refer to the ‘Typical Two Unit Manifold with Ez-Link Connection’ diagram on page 39 for installation and plant layout details. TEMPERATURE CONTROLLER A temperature controller may be installed with the EZ-Link system. Paloma PH-203EWH model water heaters do not require a temperature controller to be installed as part of an Ez-link system installation.
  • Page 38 A temperature controller should not be installed if two PH-203EWH model water heaters have been Ez-Linked together and they are part of a circulated hot water flow and return system in a building. EZ-LINK CABLE CONNECTION The references in steps 5 to 8 are to the ‘Control Board with Ez-Link Connection’ diagram on page 39. To connect the Ez-Link cable to the water heaters: Close any hot taps and ensure the burners on both water heaters are not operating.
  • Page 39 Open a hot tap. The first water heater and depending upon the flow from the hot tap, the second water heater will operate automatically. Increase the hot water flow by turning on an additional hot tap(s). Check to ensure the flow from each connected hot tap is sufficient to operate both water heaters. The minimum operating flow rate for each water heater is 2.5 litres per minute.
  • Page 40 Typical Two Unit Manifold with Ez-Link Connection...

  • Page 41: Installation - Controllers

    INSTALLATION – CONTROLLERS CONTROLLERS The water heater can be installed with controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. Deluxe Controllers There are three types of Deluxe controller. They are the Kitchen Deluxe controller Bathroom1 Deluxe controller and the Bathroom2 Deluxe controller.
  • Page 42 INSTALLATION – CONTROLLERS KITCHEN CONTROLLER The Deluxe kitchen controller is to be installed in the kitchen or laundry only. It has a minimum temperature setting of 37C and a maximum temperature setting of:  60°C Choose a suitable location for the Kitchen controller, away from water, heat and sunlight. Kitchen Deluxe controller Base plate Screw x 2...
  • Page 43 INSTALLATION – CONTROLLERS Wiring installation: Penetrate the wall with a 30-35 mm hole at the controller location. Install the Kitchen controller cable between the location of the controller and the water heater. Remove the base plate from the controller. Draw the cable through the central hole in the base plate. Fix the base plate to the wall using suitable screws and wall anchors.
  • Page 44 INSTALLATION – CONTROLLERS If it is necessary to have an exposed wiring installation, follow this procedure omitting Steps 1 and 4, and make an opening in the thin section in the underside of the controller to accommodate the cable (as shown in the diagram), prior to Step 6.
  • Page 45 INSTALLATION – CONTROLLERS BATHROOM 1 AND BATHROOM 2 CONTROLLERS If only one Bathroom controller is to be installed, the Bathroom1 Deluxe controller must be used. If two Bathroom controllers are to be installed, one must be a Bathroom1 Deluxe controller and the other must be a Bathroom 2 Deluxe controller They have a minimum temperature setting of 37C and a maximum temperature setting of: ...
  • Page 46 INSTALLATION – CONTROLLERS Wiring installation: Penetrate the wall with a 30-35 mm hole at the controller location. Install the supplied cable between the location of the controller and the water heater. Remove the base plate from the controller. Peel off one side of the adhesive paper from the foam packing and adhere to the back face of the base plate.
  • Page 47 INSTALLATION – CONTROLLERS CONNECTING THE CONTROLLER(S) TO THE WATER HEATER To connect the controller(s) to the water heater: Ensure the electrical supply to the water heater is switched off. Unscrew and gently remove the front panel from the water heater. Draw the cable(s) through the cable grommet on the underside of the water heater.

  • Page 48: Commissioning

    COMMISSIONING All water heaters are tested and adjusted before dispatch from the factory, however further adjustments may become necessary because of local conditions. TO TURN ON THE WATER HEATER  Open all of the hot taps in the house (don’t forget the shower). ...
  • Page 49 COMMISSIONING Gas Inlet Test Point Pressure To check the gas inlet pressure: Close any hot taps and ensure the burners are not operating. Close the gas isolation valve at the gas inlet to the water heater. Locate the gas inlet test point on the gas connection to the water heater.

  • Page 50: Draining The Water Heater

    DRAINING THE WATER HEATER drain the water heater:  Turn off the water heater.  Open a hot tap (preferably the shower outlet).  Unscrew the two drain plugs, one each at the cold water inlet and hot water outlet, on the underside of the water heater.
  • Page 51 INSTANTANEOUS GAS WATER HEATERS AGENTS: HSG Distributors CC TEL: +27 860 474 347 FAX: +27 862 684 752 FOR YOUR SAFETY & INFORMATION IMPORTANT: Read these instructions for use carefully so as to familiarise yourself with the appliance before connecting it to the gas supply/container.

  • Page 52: Warranty

    The warranty is applicable to water heaters manufactured after 1 January 2013 The water heater must be installed in accordance to Paloma water heater installation instructions supplied with the unit, in accordance with relevant local regulations Where a failed component or water heater is replaced under warranty, the balance of the original warranty period will remain effective.
  • Page 53 -20’C (including wind chill factor); ice formation in the water ways of a water heater where the water heater has not been installed in accordance with the Paloma water heater installation instructions.
  • Page 56 Paloma Co., Ltd. Japan http://www.palomaglobal.com 31-86586-00 ③...

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