JOHNSON CONTROLS
52
FORM 100.50-NOM6
ISSUE DATE: 8/07/2017
SECTION 3 – START-UP
The supply, exhaust and return fans have
tie down bolts are installed at the factory
to prevent movement in the fan assemblies
during shipment. THESE HOLD DOWN
BOLTS MUST BE REMOVED PRIOR
TO OPERATION OF THE ABOVE
FANS. There are eight bolts per assembly
two at each comer of the fan skids, front
and rear. The bolt locations are shown in
are red in color and a label identifies their
location in the unit.
13. Verify proper belt tension of supply fan, exhaust
fan or return fan
Belts must be checked after 24 hours of
initial operation.
14. Manually rotate condenser fan blades, supply ex-
haust and return blower wheels and motors, to as-
sure freedom of movement.
15. Verify proper condensate drain trap installation
(refer to Figure 11 on page 37)
. Fill traps with
water prior to unit start-up.
16.
If applicable, verify installation of air filters (re
-
fer to
for size and
quantity).
17. Verify Variable Frequency Drive setpoints for
VAV unit Supply Fan and optional Variable Fre-
quency Drive Exhaust and/or Return Fan drives.
The Supply Fan VFD is located to the right of the
electrical control box in the supply fan blower
compartment.
Refer to separate manual for VFD
operation supplied with the unit.
18. If equipped, open suction line ball valve, dis-
charge line ball valve, and liquid line ball valve
for each refrigerant system.
UNIT CHECKS – POWER APPLIED
1. Apply 3-phase power and verify its value. Volt-
age imbalance should be no more than 2% of the
average voltage.
2. Verify programmed units Setpoints (
refer to
“Quick Start-Up Guide”, Form 100.50-SU3
).
3. Verify correct fan rotation – fan should rotate in
direction of arrow on fan housing.
4. Insure proper compressor rotation -
see following
instruction on Verifying Compressor Rotation.
FIGURE 21 -
FAN HOLD DOWN BRACKETS
SUPPLY FAN ASSEMBLY
EXHAUST FAN ASSEMBLY
Fan Hold Down Brackets (4)
Fan Hold Down
Brackets (4)
LD13268
Содержание 050
Страница 112: ...JOHNSON CONTROLS 112 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE SENSOR READINGS LD13017 ...
Страница 113: ...JOHNSON CONTROLS 113 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ECONOMIZER EXHAUST LD13018 ...
Страница 114: ...JOHNSON CONTROLS 114 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE FANS LD13019 ...
Страница 115: ...JOHNSON CONTROLS 115 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 COOLING SETUP LD13020 ...
Страница 116: ...JOHNSON CONTROLS 116 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE COOLING STATUS LD13021 ...
Страница 117: ...JOHNSON CONTROLS 117 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 HEATING SETUP LD13022 ...
Страница 118: ...JOHNSON CONTROLS 118 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE HEATING STATUS LD13023 ...
Страница 119: ...JOHNSON CONTROLS 119 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 SYSTEM OPTIONS LD13024 ...
Страница 120: ...JOHNSON CONTROLS 120 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE OUTPUTS STATUS LD13025 ...
Страница 122: ...JOHNSON CONTROLS 122 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE GRAPHIC LD13027 CLOCK LD13028 ...
Страница 125: ...JOHNSON CONTROLS 125 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ALARMS LD13031 ...