commercial heat pump installation - sample

8/12/2019 Commercial Heat Pump Installation - Sample

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Commercial Products Training Series

Commercial Heat PumpInstallation


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Commercial Heat Pump 1. Components

Manifold Kit (Optional)

Manifold tube

Branch Assembly(Gate or Ball Valve Only)

End cap

Threaded reducer


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Commercial Heat Pump 1. Components

Components

Storage tanksHeat p ump


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Commercial Heat Pump 2. Clearances

Heat pump requires 900mm

service clearance at each end.


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Commercial Heat Pump 3. Mark out position of pipes and tanks

Mark out position of

all pipes on wall.

Mark out position of

storage tanks on floor.Manifold tube

T Piece

Copper pip e

Elbows

Manifold tub e

Manifold tube

Manifold tube

Manifold tube

Manifold tube

Coldwater inlet train


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Commercial Heat Pump 4. Connect pipes

Solder all joints as required.

Manifold tubes

End cap

T Piece

Copper pipe

End cap

Elbows

Secure all pipes to wall with

pipe clamps as required.

Coldwater inlet train

Hot Water Supply Out

End cap


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Commercial Heat Pump 5. Connect cold water inlet train

Cold water inlet train.

Drain line must terminate

at least 1 metre away from tank.

(AS/NZS 3500.4)

Copper Inlet Pipe

Pressure Limiting

Valve (If Required)

Isolation Valve

Expansion Control

Valve (if required)

No Return Valve


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Commercial Heat Pump 6. Position storage tanks

Place storage tanks in position.


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Commercial Heat Pump 7. Connect reducer fittings

Connect reducer fittings.

Repeat for all inlets/outlets on each

storage tank.


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Commercial Heat Pump 8. Fit branch assemblies

Check position of tanks

inlets/outlets must be parallel to wall.

Fit the branch assembly to manifold

and storage tank.

Solder connections as required.

Compression nut,

Flared pipe end or

similar

NB: Gate valve or ball valve ONLY to

be used in branches

DO NOT install non-return valves

or loose jumper valves

Solder connection here

Isolation Valve


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Commercial Heat Pump 8. Fit branch assemblies

Repeat fitting of branch assemblies

to all required inlets/outlets.


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Commercial Heat Pump 9. Connect TPR valves

Connect TPR valves to each tank.


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Commercial Heat Pump 9. Connect TPR valves

Fit drain lines to each

TPR valve.

TPR Valves can drain into a

common tundish.

Terminate drain lines at least

1 metre away from tanks.

Drain line must terminate

at least 1 metre away from t ank.

(AS/NZS 3500.4)

Tundish


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Commercial Heat Pump 10. Position Heat Pump

Position Heat Pump.

Note alignment of inlet and outlet pipes


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Commercial Heat Pump 11. Connect cold water inlet pipe

Connect primary flow to heat pump.

Note: non return valve is not required

after primary pump.

Connect to Heat

Pump inletPrimary Pump

Isolation Valve


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Commercial Heat Pump 12. Connect hot water return line

Connect the primary hot

water return line.

Connect to outlet

Isolation Valve


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Commercial Heat Pump 12. Connect hot water return line

Connect the drain line to

the pressure relief valve.

Drain line must termin ate at least

1 metre away from Heat Pump

and Tank(s). (AS/NZS 3500.4)


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Commercial Heat Pump 13. Connect main power

Remove the front cover panel.


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Connect the 3 Phase power cable.

Secure wires with screws provided

in the Terminal Block.

Observe correct phase rotation.

Tighten firmly.


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Secure the conduit to heat pump

using brackets.

Tighten screws firmly.

Do not obstruct cover panel opening.


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Commercial Heat Pump 14. Connect wiring to primary pump

Connect primary circulation

pump wiring to heat pump.


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Connect primary pump wiring to heat pump.


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Remove pump cover screw. Remove pump cover.


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Connect wiring to primary pump using push-fit

connectors on the terminal block.

Push retaining lug down and insert wire


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Replace pump cover and screw.

If outdoors affix a suitable weather

cover over the primary pump.


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Commercial Heat Pump 15. Fit tank sensor

Remove the protective cap from one of the tanks.

Remove the threaded plug.

Insert the sensor well into the tank and tighten firmly.


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Commercial Heat Pump 16. Replace heat pump cover panel

Replace Heat Pump cover panel. Secure conduit.

Do not obstruct control panel opening.


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Commercial Heat Pump 17. Commissioning

Refer to instructions for commissioning the unit.

commercial heat pump installation - sample

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