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39InRow RP Technical Data Manual
B. VARIABLE SPEED FAN ASSEMBLY
1. Variable Speed Fans: The unit is equipped with variable speed, electronically commutated,
400 mm backward incline fans complete with Inlet Volute.
2. Fan Protection: discharge finger guard. Outlet of the fan should include a cage type finger
guard.
C. AUTOMATIC TRANSFER SWITCH (CHILLED WATER ONLY)
The unit shall be equipped with an automatic transfer switch (ATS). The ATS shall automatically
switch from a main power supply to a secondary power supply in the event of a power outage
without change in equipment operation. The ATS shall monitor the main power supply so that
when the power is restored to the primary source it will automatically switch from the secondary
source back to the main power source.
D. MAIN DISCONNECT SWITCH
1. Unit shall be provided with Thermal-Magnetic circuit breakers with interrupt capacity ratings
per UL489/CSA C22.2/IEC-947.
2. Chilled Water: Units shall include main disconnect switches located on the E-panel in order to
individually disconnect dual A-B power inputs.
3. Air-cooled: Units shall include a main disconnect switch located on the E-panel in order to
disconnect power input.
4. A condenser disconnect shall be field-supplied.
E. MICROPROCESSOR CONTROLLER
1. Monitoring and Configuration: The display shall allow monitoring and configuration of the air
conditioning unit through a menu-based control. Functions include status reporting, set-up,
and temperature set points. Four LEDs report the operational status of the connected air
conditioning unit.
2. Controls: The microprocessor controller shall come equipped with control keys to allow the
user to navigate between menus, select items, and input alpha numeric information.
3. Alarms: The microprocessor controller shall activate a visible and audible alarm in the
occurrence of the following events:
a. Cool Fail
b. Rack inlet temperature violation
c. Rack inlet temperature sensor fault
d. Air filter clogged
e. Air filter run hours exceeded
f. Filter DP sensor failure
g. Supply air sensor fault
h. Return air sensor fault
i. Supply air high temperature violation
j. Return air high temperature violation
Voltage kAIC
200-240V 50/60Hz 50
380-415V 50Hz 36
460-480V 60Hz 22