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51
IM 672-11 • VISION AIR HANDLING UNIT
AHU Equipment Warranty Registration Form (continued)
13F-4153 (03/15)
3
Select Yes or No. If not applicable to the type of unit, select N/A.
IV. ELECTRIC HEAT
A. Electrical heat service corresponds to unit nameplate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
Volts _____________ Hertz _____________ Phase _____________
B. Are there any signs of physical damage to the electric heat coils? . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
C. Have all electrical terminals been tightened? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
D. Does sequence controller stage contactors properly? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
E. Electric heater voltage across each phase: . . . . . . . . . . . . . . . . . ___________ L1 ___________ L2 ___________ L3
F. Amp draw across each phase at each heating stage:
Stage 1
Stage 2
Stage 3
Stage 4
Stage 5
Stage 6
Phase L1: ___________ ____________ ____________ ___________ ___________ ____________
Phase L2: ___________ ____________ ____________ ___________ ___________ ____________
Phase L3 ___________ ____________ ____________ ___________ ___________ ____________
G. FLA: L1 ___________ L2____________ L3 ___________
H. Operate electric heat with fans off. Electric heat must cycle on high limit control . . . . . . . . . . . . . . . Yes
No
N/A
V. CHILLED WATER COIL
A. Pressure test OK? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
B. Drain pan draining OK? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
VI. HOT WATER COIL
A. Pressure test OK? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
VII. HEAT RECOVERY
A. Heat wheel rotates freely? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
B. Heat wheel VFD operates properly? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
C. Heat wheel VFD: . . . . . . . . . . . . . . . .Model # _________________________ Serial # _________________________
D. Check for air bypass around heat wheel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes
No
N/A
