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INSTALLATION INSTRUCTIONS
Combinations
• The connection kit is designed to be used with third party air handling units.
• The connection kit is compatible with MRV 5 and MRV-S systems.
• 50% total outdoor capacity ≤ total indoor capacity ≤ 100% total outdoor capacity.
• See table 1 for connection kit model:
Table 1: Valve Box Total Capacity:
Connection Kit
Capacity Range of Air Handling Unit Btu/H (kW)
AH1-070B
10.25 - 23.88 Btu/H (3.01 - 6.99kW)
AH1-140B
23.90 - 47.76 Btu/H (7.01 - 13.99kW)
AH1-280B
47.78 - 95.53 Btu/H (14.01 - 27.99kW)
AH1-560B
95.55 - 191.07 Btu/H (28.01 - 55.99kW)
AH1-730B
191.09 - 249.08 Btu/H (56.01 - 72.99kW)
Inspection Item
Pay special attention to the following during installation and recheck before system start-up
(1) Inspection items after installation:
Inspection Item
Is the connection kit is installed securely?
Is refrigerant leak testing completed?
Is all refrigerant tubing properly insulated?
Does the power supply conform with the equipment nameplate?
Is all wiring and piping installed per the installation guide?
Is all equipment properly grounded?
Does all wiring conform to local or national codes?
(2) Inspection upon delivery:
Inspection Item
Is the electric box cover installed?
Have all manuals been given to the equipment owner?
31-5000593 Rev. 0
Coil Volume in3 (L)
32.95 - 86.65 in3 (0.54 - 1.42 L)
65.30 - 170.87 in3 (1.07 - 2.80 L)
128.15 - 241.73 in3 (2.10 - 5.60 L)
256.30 - 683.47 in3 (4.20 -11.20 L)
512.60 - 897.05 in3 (8.40 - 14.70 L)
Defect
Falling off, vibration and noise
No heating/cooling
Water leakage
Out of service, burnt
Out of service, burnt
Danger in electric leakage
Out of service, burnt
Inspection Column
Qty Units
1
1
1
1
1
Inspection Column
9
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