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PHV SURFACE MOUNTED HEAT PUMP AIR CURTAINS
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
For use with CITY MULTI VRF units
PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION
Thermoscreens Ltd
St. Mary's Road Nuneaton
Warwickshire England
CV11 5AU
English
Email:
sales@thermoscreens.com
Tel: +44 (0) 24 7638 4646
Fax: +44 (0) 24 7638 8578
www.thermoscreens.com
9901035-1
Page 1 of 30
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Related Manuals for Thermoscreens VRF PHV1000 DXE HO
Summary of Contents for Thermoscreens VRF PHV1000 DXE HO
- Page 1 PHV SURFACE MOUNTED HEAT PUMP AIR CURTAINS INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS For use with CITY MULTI VRF units PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION Thermoscreens Ltd St. Mary’s Road Nuneaton Warwickshire England CV11 5AU English Email: sales@thermoscreens.com...
- Page 2 The City Multi Y Series Heat Pump Air Curtain system consists of :- • One or more Thermoscreens VRF PHV Heat Pump (heating and cooling) Air Curtains * • A Mitsubishi Electric PAC-AH…M-G AHU Controller or PAC-AH…M-H AHU Controller (one for each air curtain) * •...
- Page 3 The City Multi R2/WR2-Series heat recovery system with Heat Pump Air Curtain(s) consists of :- • One or more Thermoscreens VRF PHV Heat Pump (heating and cooling) Air Curtains * • A Mitsubishi Electric PAC-AH…M-G AHU Controller or PAC-AH…M-H AHU Controller (one for each air curtain) * •...
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Page 4: Design Information
DESIGN INFORMATION Each Thermoscreens Heat Pump Air Curtain needs to operate with a Mitsubishi Electric PAC-AH…AHU Controller. There are two versions that can be used; PAC-AH…M-G and PAC-AH…M-H the supply of which is dependent on the EU state where the installation is being carried out. - Page 5 There are various control cables that are wired on site to the PAC-AH…AHU Controller and the Thermoscreens Air Curtain that provide control for the operation of the unit. These are:- •...
- Page 6 The air curtain is designed only for use with a Mitsubishi Electric City Multi VRF system for use on R410A. The complete Thermoscreens/Mitsubishi Electric heat pump system, including fridge pipework, wiring, controls, etc. must be installed only by an approved Mitsubishi Electric refrigeration contractor.
- Page 7 The Mitsubishi Electric PAC-AH…M-G AHU Controller or PAC-AH…M-H AHU Controller comes in its original Mitsubishi Electric box. It is delivered with the larger Thermoscreens air curtain box. It is factory pre-wired as much as possible to reduce installation time on site.
- Page 8 The Installer will also need to supply and install the following:- PAR-21 MAA Remote Controller Condensate Pump – self priming with cooling mode detection, alarm system and pump overrun If Air Curtain is to be operated in COOL or If Air Curtain is to be manually controlled, AUTO mode –...
- Page 9 Air Curtain Weight (kg) VRF PHV1000 DXE HO VRF PHV1500 DXE LO VRF PHV1500 DXE HO VRF PHV2000 DXE LO VRF PHV2000 DXE HO Step 1.
- Page 10 250 min. for pipes 9901035-1 Page 10 of 30...
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Page 11: Refrigerant Pipework
Contractor. Refrigerant installation pipework sizes need to be as follows :- Discharge Line Air Curtain Liquid Line Index Size (Gas) VRF PHV1000 DXE HO P100 VRF PHV1500 DXE LO P125 VRF PHV1500 DXE HO P140 VRF PHV2000 DXE LO... - Page 12 To gain access inside the Air Curtain To gain access for connection of the electrical supply, controls wiring and to work on the unit during commissioning, remove the air inlet grilles and the bottom access panel. First remove the plastic end caps if already fitted by pulling off to the side (see picture).
- Page 13 Air Curtain Rated Electrical Rated Current per Rated Electrical Rated Current (A) Power Input (kW) phase (A) Power Input (kW) VRF PHV1000 DXE HO 12.7 0.35 VRF PHV1500 DXE LO 12.7 0.35 VRF PHV1500 DXE HO 15.7 VRF PHV2000 DXE LO 15.7...
- Page 14 OPTIONAL LOW SPEED CONTROLLER 9901035-1 Page 14 of 30...
- Page 15 OPTIONAL LOW SPEED CONTROLLER 9901035-1 Page 15 of 30...
- Page 16 Wiring to PAC-AH…AHU Controller and Controls Wiring The Mitsubishi Electric PAC-AH…AHU Controller needs to be located within 7m from the air curtain (cables are 8m long). It has four mounting feet to fix it to a wall or alternatively it can be placed on a horizontal flat surface if located in a compartment or ceiling void.
- Page 17 If the air curtain is to be manually controlled by the end user a Mitsubishi Electric PAR-21MAA remote controller (not supplied by Thermoscreens) must be supplied and fitted by the installer. This is wired to the PAC-AH…AHU Controller using 2-core cable. Refer to the Mitsubishi Electric instructions that come with the PAR-21MAA remote controller for installation and wiring of the controller.
- Page 18 If it is intended to use the air curtain in cooling mode a suitable condensate pump (not supplied by Thermoscreens) must be supplied and fitted by the installer. The condensate pump must be of sufficient capacity, self priming and capable of providing the appropriate suction head so the pump will lift condensate out from the top of the air curtain.
- Page 19 Optional Sheet Metal Covers Optional sheet metal covers are available to hide the various services that enter the air curtain from above. They are available in sizes of 250mm, 500mm and 1000mm high and are supplied flat packed for assembly on site. The sheet metal covers are secured to the top of the air curtain via M6 screws into threaded inserts.
- Page 20 COMMISSIONING THE HEAT PUMP AIR CURTAIN Ensure that the electrical supply to the Air Curtain is switched off before starting any commissioning work. Air Curtain Checks Check that the components inside the air curtain are as shown in the picture below. Check that the thermal overheat cut-out switch has not ‘tripped’.
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Page 21: Starting The System
Mitsubishi Electric PAC AH…AHU Controller Remove the access covers of the PAC-AH…AHU Controller and check that the dip switch settings are correct for the controller. These need to be set as follows: VRF PHV1000DXE HO 9 10 9 10 SW2 (P100) Black rectangle indicates VRF PHV1500DXE HO VRF PHV1500DXE LO... - Page 22 fan speed controller has been installed it may be necessary to re-set the voltage tappings on the transformers inside the fan speed controller to achieve a compromise between airstream performance and noise levels. This is explained in the instructions that come with the optional fan speed controller. If it is intended that the air curtain is to ever operate in cooling mode switch the Mode Button on the PAR-21MAA remote controller to ‘COOL’...
- Page 23 Filter Dirty Indicator The air curtain is fitted with a Filter Dirty Indicator. It is located at the left-hand end of the outlet grille and signals when the air curtain inlet grille/filters should be vacuum cleaned or the air curtain requires servicing.
- Page 24 Fixing To access the Filter Indicator pcb to change jumper:- screws Switch off the electrical power to the Heat Pump Air Curtain. If the left-hand plastic end cap is already fitted, remove it from the air curtain. Unfasten the two screws as indicated. Gently lower the left-hand end of the outlet grille, supporting it from below.
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Page 25: Heat Mode
USER INSTRUCTIONS FOR THE AIR CURTAIN For manual control using a PAR-21MAA Remote Controller To Switch On and Off: Turn the air curtain on by pressing the ON/OFF Button on the PAR-21MAA Remote Controller and the air curtain fans will start within a few seconds. If a 3-Speed Fan Switch is fitted adjust the fan speed to suit using the slider switch. - Page 26 Note: All servicing, maintenance and repairs to the air curtain must be carried out by a Thermoscreens approved Service Agent. It may be necessary to involve a Mitsubishi Electric Service Agent if any work is to be carried out on the Mitsubishi Electric City Multi heat pump refrigeration system and its controls.
- Page 27 Vacuum clean and remove any build-up of dust, dirt and debris within the air-curtain, especially on the face of the coil and the electric heating elements. Note: Fan motors are permanently lubricated and require no additional lubrication. Loosen by 3 turns, the rear row of Remove the front row of drain tray drain tray fixing screws along the fixing screws along the whole...
- Page 28 Fault Conditions If the Thermoscreens Heat Pump Air Curtain System does not operate as expected refer to the fault finding table below: Symptom Possible Cause Action Required Electrical power is not switched on to Switch on power to all the Mitsubishi Electric City Multi system...
- Page 29 Care has been taken in compiling these instructions to ensure they are correct, although Thermoscreens Ltd. disclaims all liability for damage resulting from any inaccuracies and/or deficiencies in this documentation. Thermoscreens Ltd. retain the right to change the specifications stated in these instructions.
- Page 30 Machinery. If alterations are made to the machinery without prior consultations with us, this declaration becomes invalid. Designation of Equipment : THERMOSCREENS AIR CURTAINS with CITY MULTI SYSTEM Series Type : VRF PHV1000DXE HO, VRF PHV1000RDXE HO, VRF PHV1500DXE LO,...
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