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Suntherm B-02 Series User's Information Manual

Vertical wall mount installation - models w/dx cooling and electric or hydronic (hot water) heating
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B/S/H-02/03 Series: Vertical Wall Mount Installation - Models w/DX Cooling and Electric or Hydronic (Hot Water)
Heating
1 - General ..................................................................................................................1
2 - Safety .....................................................................................................................2
3 - Owner's Information and Seasonal Information ....................................3
1 - Safety .....................................................................................................................8
2 - Air Handler Maintenance ............................................................................ 12
3 - Air Handler Controls ...................................................................................... 13
4 - Sequence of Operation ................................................................................ 16
5 - Troubleshooting .............................................................................................17
6 - Blower Performance .................................................................................................21
1 - Visual Check Points - B/S-02/03 / Electric Heat ......................................4
2 - Visual Check Points - H-02/03 / Hydronic Heat .....................................4
3 - Front Panel Circuit Breaker Location - B-02/03 ......................................5
8 - Typical 1" Replacement Air Filter .............................................................................7
9 - Blower Assembly ............................................................................................ 13
10 - No Electric Heat Control Box - B/S-02/03 ........................................................ 13
11 - Electric Heat Control Box - B/S-02/03 ............................................................... 13
............................................................................................. 19
5 - Field Installed Accessory List ......................................................................24
Manufactured and Distributed by:
1. Models with electric heat and no heat are rated for 208/240 VAC, 60
Hz, 1-Phase.
2. Models with hydronic heat are rated for 115 VAC, 60 Hz, 1-Phase.
3. Air handler is designed for both cooling only and heat pump
applications.
4. Models are available in small, medium, or large cabinet size.
MORTEX PRODUCTS INC.
501 TERMINAL RD FORT WORTH, TX 76106
USERS INFORMATION MANUAL
LIST OF SECTIONS - USERS INFORMATION MANUAL
LIST OF SECTIONS -SERVICE AND MAINTENANCE MANUAL
......................................... 21
The following list includes important facts and information regarding this air handler.
4 - Startup and Shutdown Instructions .......................................................... 5
5 - Owner Maintenance ........................................................................................ 6
9 - Field Installed Accessories ...........................................................................24
10 - Replcement Parts .......................................................................................... 25
11 - Decommissioning & Disposal of the Air Handler .............................. 29
LIST OF FIGURES
13 - Electric Heater Contactor - B/S-02/03 ....................................................14
14 - Refrigerant Leak Detection Sensor Location .......................................14
15 - Hydronic Heat Control Box - H-02/03 ....................................................14
17 - Hydronic Control Board - H-02/03 ..........................................................15
18 - Constant Torque Motor Terminals ............................................................19
19 - Blower Assembly ............................................................................................20
LIST OF TABLES
19
6 - Replacement Parts List - B/S-02 / Electric Heat ...................................26
..... 19
7 - Replacement Parts List - B/S-03 / Electric Heat ...................................27
8 - Replacement Parts List - H-02 / Hydronic Heat ....................................28
9 - Replacement Parts List - H-03 / Hydronic Heat ....................................29
CONTACT INFORMATION
Mortex Products Inc
501 Terminal Rd
Fort Worth, TX 76106

SECTION 1: GENERAL

5. Air handler is designed for upflow applications only.
6. Air handler must not be operated without the access panel installed.
7. Air handler is listed by ETL for the United States and Canada.
INSTALLERS MUST READ ALL INSTRUCTIONS IN THIS MANUAL
THIS MANUAL MUST BE SAVED BY THE HOMEOWNER OR USER FOR
FUTURE REFERENCE.
www.mortx.com
61BA0071 Rev B
3.8.25
Page 1

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  • Page 1: Table Of Contents

    USERS INFORMATION MANUAL B/S/H-02/03 Series: Vertical Wall Mount Installation – Models w/DX Cooling and Electric or Hydronic (Hot Water) Heating LIST OF SECTIONS - USERS INFORMATION MANUAL 1 – General ........................1 4 – Startup and Shutdown Instructions ............5 2 – Safety ........................2 5 –...

  • Page 2: Section 2: Safety

    SECTION 2: SAFETY Do not use this air handler if any part has been under water. This is a safety alert symbol. When you see this symbol on labels or A flood damaged air handler is extremely dangerous. in manuals, be alert to the potential for personal injury. Understand Attempts to use the air handler can result in a fire.

  • Page 3: Section 3: Owners Information And Seasonal Information

    especially those who have not kept up with changing then energized on the selected heating speed tap after an “ON” modular home and residential home construction practices. time delay which causes the circulating blower to draw air from These instructions are to be followed and are the minimum the living space, passes it across the heater coils, and circulates the requirement to perform service or repairs on this air handler.

  • Page 4: Visual Check Points - B/S-02/03 / Electric Heat

    and are sealed to the air handler casing. THE SERVICE TECHNICIAN If the air handler gives any indication of improper operation, the The air handler must be serviced by qualified personnel annually, homeowner or user should call a qualified service technician. The preferably at the start of each heating season.

  • Page 5: Front Panel Circuit Breaker Location - B-02/03

    above 75°F to ensure the air handler is operating properly. This SERVICE AGENCY INFORMATION will help prevent water pipes from freezing or appliances from Fill in Below failing. MODEL NUMBER: SERIAL NUMBER: THE AIR HANDLER FAILS TO OPERATE PROPERLY SERVICE COMPANY: If any abnormalities are observed while the air handler is operating ADDRESS: normally, perform the following checks:...

  • Page 6: Homeowner / User Cleaning Points - B/S-02/03 / Electric Heat

    Internal Air Filter Replacement SECTION 5: OWNER MAINTENANCE Follow these easy steps to replace the air filters. All appliances need annual maintenance in order to operate 1. Follow the procedure “To Turn Off the Air Handler” in properly. The annual service must be performed by qualified Section 4: Startup and Shutdown Instructions in this manual.

  • Page 7: Internal Air Filter Location - B/S-02/03 / Electric Heat

    Figure 8: Typical 1” Replacement Air Filter Figure 6: Internal Air Filter Location – B/S-02/03 / Electric Heat Figure 7: Internal Air Filter Location – H-02/03 / Hydronic Heat MORTEX PRODUCTS INC. 501 TERMINAL RD FORT WORTH, TX 76106 Page 7...

  • Page 8: Safety

    SERVICE AND MAINTENANCE MANUAL SECTION 1: SAFETY THE HOMEOWNERS AND AIR HANDLER USERS MUST STOP HERE! Improper adjustment, service or maintenance may create a condition where the operation of the product could cause This section has been designed to assist a qualified service agency personal injury or property damage.
  • Page 9 8. Installation, servicing and maintenance must only be performed Intrinsically safe components that have failed must be replaced by qualified service personnel that are licensed by the state to instead of being repaired. install, commission, service, repair, decommission, and dispose The use of dropped ceilings for return air is not permitted for of HVAC equipment and those who have successfully completed this air handler.
  • Page 10 evacuate; a set of instructions concerning the equipment that is at purge the circuit with inert gas (optional for A2L); hand and shall be suitable for the recovery of the flammable evacuate (optional for A2L); refrigerant. If in doubt, the manufacturer should be consulted. continuously flush or purge with inert gas when using flame In addition, a set of calibrated weighing scales shall be available to open circuit;...

  • Page 11: Fire Hazard

    of this manual for additional information) If the safety is affected when the equipment is put out of • service, the refrigerant charge shall be removed before decommissioning. RISK OF FIRE – FLAMMABLE REFRIGERANT APPLICATIONS Ensure sufficient ventilation at the equipment location. If any refrigerating circuit contains more than 62.6 oz (1.776 •...

  • Page 12: Air Handler Maintenance

    duct and then pulled out of the wall enough to remove the filter channel screws. 8. Remove the 2 screws that attach the top of the coil assembly to FIRE HAZARD the sides of the air handler cabinet. 9. While supporting the coil, push the top of the filter rack channels NEVER CONNECT A JUMPER BETWEEN THE “R”...

  • Page 13: Air Handler Controls

    Slide the air filter into the filter rack and install the filter cover Refrigerant Leak Detection System – A refrigerant leak sensor is panel. located on a bracket attached to the right coil endplate under the blower. Should a refrigerant leak occur in the coil itself or tubing, NOTE: Make sure the filter flow arrows point toward the coil.

  • Page 14: Component Locations - B/S-02/03 / Electric Heat

    CONTROL BOX BLOWER HOUSING BLOWER MOTOR REFRIGERANT TUBING CONNECTIONS INDOOR COIL Figure 14: Refrigerant Leak Detection Sensor Location CONDENSATE DRAINS WATER PUMP DRIAN BOILER DRAIN Figure 12: Component Locations – B/S-02/03 / Electric Heat TRANSFORMER HYDRONIC CONTROL BOARD LINE VOLTAGE TERMINAL BLOCK GROUND LUG Figure 15: Hydronic Heat Control Box –...

  • Page 15: Component Locations - H-02/03 / Hydronic Heat

    REGRIGERANT LINE OUTLET HOT WATER CONNECTIONS CONTROL BLOWER HOUSING Figure 17: Hydronic Control Board - H-02/03 BLOWER Hydronic Control Board Terminals and Descriptions MOTOR The terminals and functions are explained below. Line Voltage Terminals L1 – Supply Voltage (115 VAC) to the control REFRIGERANT L2 –...

  • Page 16: Sequence Of Operation

    AQ – The aquastat switch is placed on the hot water line exiting W2/RH – When W2/RH is energized, the control will de-energize side of the air handler coil. The aquastat is connected to the R the LOW speed terminal and will energize the MED speed terminal terminal and the AQ terminal on the control board.

  • Page 17: Troubleshooting

    tap for the cooling mode (BLACK motor speed tap wire). When SECTION 5: TROUBLESHOOTING the thermostat is satisfied, the circuit between “R”, “Y” and “G” will open, the blower motor will shut down after a 30 second OFF delay which is programmed into the motor control module. Intermittent Blower –...
  • Page 18 for 24 VAC at either the RED or BLACK wires connecting to 2 of the If 208-240 VAC is present between heater contactor terminals T1 motor terminals 1 - 5 when the thermostat is calling for blower and T2, but 208-240 VAC is not present between the heater element operation.

  • Page 19: Constant Torque Motor Terminal Descriptions - B/S-02/03/Elect Heat

    To avoid personal injury, take precautions to not touch non-insulated electrical components. Avoid wearing loose clothing or any items that can become caught in moving parts, such as the blower wheel. This can cause serious personal injury. Replacing the Blower Motor 1.

  • Page 20: Possible Causes

    3. High indoor coil pressure drop due to internal restriction 4. TXV sensing bulb installed on bottom of suction line BLOWER MOTOR 5. Restricted or capped TXV external equalizer tube MOUNTING PLATE 6. Improper TXV external equalizer location (must be located on the suction manifold after the last feeder tube) 7.

  • Page 21: Section 6: Blower Performance

    SECTION 6: BLOWER PERFORMANCE Model Motor Motor Blower Speed CFM @ CFM @ CFM @ CFM @ CFM @ Volts Number Code Wheel 0.10" ESP 0.20" ESP 0.30" ESP 0.40" ESP 0.50" ESP B02, S02 208/240 10 X 6 1011 B03, S03 208/240 10 x 7...

  • Page 22: Section 7: Special Piping Instructions For A2L

    SECTION 7: SPECIAL PIPING INSTRUCTIONS FOR A2L CLASS FLAMMABLE REFRIGERANT • joints in enclosures that vent to the unit or to the outside. Provision shall be made for expansion and contraction of long runs of piping. RISK OF FIRE Protection devices, piping, and fittings shall be protected as far This following precautions must be taken for the refrigerant as possible against adverse environmental effects, for example, piping due to this air-handler being used with an A2L class...
  • Page 23 This air handler is equipped with a refrigerant leak detection 11. Confirm the indoor blower is energized and 24V is not present system consisting of a leak mitigation refrigerant sensor with at the air handler pigtail marked “ALARM”. integral relays. Should a refrigerant leak occur in the indoor coil, the 12.

  • Page 24: Field Installed Accessory List

    SECTION 9: FIELD INSTALLED ACCESSORIES Part Number Description R72DB0101DF Field Installed TXV (R-32) - 1.5-3.0 Ton R72DB0103DF Field Installed TXV (R-454B) - 1.5-3.0 Ton 68AC0002 Field Installed Replacement Pump Timer for Hydronic Coil Purge R78AA0006 4 GPM Water Pump RPA-01 Remote Pump Assembly 4 GPM 1/2”...

  • Page 25: Replcement Parts

    6/15 Figure 20: Replacement Parts Schematic – B/S-02/03 / Electric Heat MORTEX PRODUCTS INC. 501 TERMINAL RD FORT WORTH, TX 76106 Page 25...

  • Page 26: Section 10: Replacement Parts

    SECTION 10: REPLACEMENT PARTS B/S-02 ELECTRIC HEAT MODELS - Blower Code XD Item # Qty. Part # Description 1/3 HP – 208/240V - 10 X 6 Blower Assembly 86HM00XD-02 (Complete Assembly) - XD 65BV0025R 1/3 HP - 208/240V - Constant Torque Motor 69AC0001 10 x 6 Blower Wheel 1/2”...

  • Page 27: Replacement Parts List - B/S-03 / Electric Heat

    B/S-03 ELECTRIC HEAT MODELS - Blower Code XC Item # Qty. Part # Description 1/2 HP- 208/240V - 10 X 7 Blower Assembly 86HM00XC-03 (Complete Assembly) - XC 65BV0026R 1/2 HP - 208/240V - Constant Torque Motor 69AC0002 10 x 7 Blower Wheel 1/2” Hub - CW Rotation R68AA0003 208/240-24V Transformer R68DC0001...

  • Page 28: Replacement Parts Schematic - H-02 / Hydronic Heat

    Figure 21: Replacement Parts Schematic – H-02 Hydronic Heat H-02 HYDRONIC HEATING MODELS – BLOWER CODE XE Item # Qty. Part # Description 86HM00XE-02 1/3 HP - 115-10 X 6 Blower Assembly (Complete Assembly) - XE 65BV0021R 1/3 HP 115 VAC Constant Torque Motor 69AC0001 10 x 6 Blower Wheel 1/2”...

  • Page 29: Decommissioning & Disposal Of The Air Handler

    Figure 22: Replacement Parts Schematic – H-02 Hydronic Heat H-03 HYDRONIC HEAT MODELS – BLOWER CODE XF Item # Qty. Part # Description 86HM00XF-03 1/2 HP -115V - 10 x 8 Blower Assembly (Complete Assembly) - XF 65BV0022R 1/2 HP - 115V - Constant Torque Motor 69AB0001 10 x 8 Blower Wheel 1/2”...

  • Page 30: Section 11: Decommissioning And Disposal Of The Air Handler

    SECTION 11: DECOMMISSIONING AND DISPOSAL OF THE AIR HANDLER When the air handler is at the end of its life and is being removed m Disconnect all electrical wiring from the air handler. for replacement, proper procedures must be followed to assure ) n Once the refrigerant lines and electrical wiring have been the safety of the technician and building occupants due to the disconnected from the air handler, remove the air handler...

This manual is also suitable for:

S-02 seriesH-02 seriesH-03 seriesB-03 seriesS-03 series

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