Johnson Controls HMH7 Series Installation Manual

Installation Manual: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump York International Corporation, 5005 York Drive, Norman, OK 73069 2021-02-03 6046972-UIM-A-0221 Supersedes: Nothing A ...

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Contents C o n t e n t s General.................................................................................... 5 Safety....................................................................................... 5 Inspection......................................................................... 5 Limitations........................................................................ 6 Piping considerations.................................................. ...

Johnson Controls Ducted Systems ...

for future reference. WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov. The units are tested in accordance with the following: The outdoor units are designed to be connected to a matching indoor coil with sweat connect lines. This unit is to be matched with one ducted indoor unit and is not designed for application in a ductless configuration. Refer to the Technical Guide for perm ...

local safety codes, and the following limitations: • Observe the limitations for the indoor unit, coil, and appropriate accessories. • Do not install the outdoor unit with any duct work in the air stream. The outdoor fan is the propeller type and is not designed to operate against any additional external static pressure. • Observe the maximum and minimum conditions for operation ...

This unit requires a bi-flow liquid line filter drier installed external to the unit. This is included in the wiring accessory kit HMH7AK001 required for installation. R-410A filter-drier Source 1 Part Number Apply with models S1-404101 All  NOTICE Using a larger than specified line size could result in oil return problems. Using too small a line results in loss of capacity and other problems caused by insufficient refrigerant flo ...

as permagum around refrigerant lines where they penetrate a wall to reduce vibration and retain some flexibility. Additional refrigerant charge The outdoor unit is precharged with enough R-410A refrigerant for the outdoor unit, the smallest indoor unit, and 15 ft of lineset. Additional refrigerant per foot of additional lineset is 0.38 oz for the 24k and 36k models, and 0.60 oz for the 48k and 60k ...

Ensure to mount the outdoor unit on a solid base that is sloped to shed water, secure from settlement, and isolated from the structural foundation or walls to prevent sound and vibration transmission into the living space. On occasion, site conditions may require the use of direct wall mounted brackets to locate and support the outdoor unit. In these applications, ensure to address unit base pan support, structural integrity, safe a ...

1. Use washers when fastening the outdoor section at the foundation bolts. 2. When fastening the outdoor section with the foundation bolts, ensure that the anchoring locations are as shown in Figure 8. 3. Fasten the outdoor section as shown in Figure 9. 4. Make sure to fasten the outdoor unit tightly and in a horizontal position to prevent noise. 5. Do not drain condensate onto public places as this may lead to slippery surfaces ...

Precautions for brazing of lines All outdoor unit and indoor coil connections are copper- to-copper and must be brazed with a phosphorous- copper alloy material such as Silfos-5 or equivalent. Do not use soft solder. The outdoor units have reusable service valves on both the liquid and vapor connections. The total system refrigerant charge is retained within the outdoor unit during shipping and installation. The reusable s ...

the vapor line connection to the outdoor unit. The nitrogen flow should be exiting the system from the vapor service port connection. After this connection has cooled, remove the nitrogen source from the liquid fitting service port. 7. Replace the Schrader core in the liquid and vapor valves. 8. Leak test all refrigerant piping connections including the service port flare caps to ensure they are leak tigh ...

Note: This unit uses discrete thermostat wiring. Do not interface with TTSCC, Hx™ , or Hx™3 thermostat communication connections. It is possible to interface with Hx™ or Hx™3 conventional terminals.  CAUTION This equipment uses an inverter drive that stores hazardous energy up to 5 min after power is removed. Wait for more than 5 min before performing electrical work after power is removed. ...

Installation Manual: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump 14 Johnson Controls Ducted Systems ...

Note: • Use the B terminal on the thermostat for the reversing valve connection (energized in heat mode). • The room thermostat must control fossil fuel operation if matched with a gas furnace. • Refer to wiring and installation kit HMH7AK001 for additional wiring detail on the indoor unit. Connecting HMH72B24 and HMH72B36 wiring About this task: Connect wiring to the unit by completing the following step ...

Connecting HMH72B48 and HMH72B60 wiring About this task: Connect wiring to the unit by completing the following steps. 1. Remove the screws, maintenance plate, and the valve cover. 2. Pass the low-voltage cable and power supply through the two holes on the right side plate. 3. Fasten the conduit connection to the right side plate using the lock nut. 4. Connect the low-voltage cable and power supply to the terminal. ...

Model (capacity) Power supply ELB/RCD rated current (A)* ELB/RCD fault current (mA)* Power source cable size Low-voltage cable size Circuit breaker (A) HMH72B24 208/230 V~ /60 Hz 25 30 3 x 12 AWG 5 x 16 AWG 25 HMH72B36 208/230 V~ /60 Hz 35 30 3 x 10 AWG 5 x 16 AWG 35 HMH72B48, HMH72B60 208/230 V~ /60 Hz 50 30 3 x 8 AWG 5 x 16 AWG 50 *where required by code Note: Maximum running current (A): refer to the nameplate. N ...

Disconnect and lock out power before servicing. Wait 5 min to ensure that drive capacitors are discharged before servicing. Use compressor with grounded system only. Molded electrical plug must be used for connection to compressor.  WARNING Burn Hazard Failure to follow these warnings could result in serious personal injury or property damage. Ensure that materials and wiring do not touch high temper ...

Installation Manual: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump 19 Johnson Controls Ducted Systems ...

Installation Manual: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump 20 Johnson Controls Ducted Systems ...