IM 738-
2
1
Introduction:
Unit Nameplate
Introduction
Unit Nameplate
The unit nameplate is located on the outside lower right corner
on the main control box door. It includes the unit model
number, serial number, unit part number, electrical
characteristics, and refrigerant charge.
Compressor Nameplate
On units with a single compressor on each circuit, the
compressor includes one compressor nameplate.
On units that utilize the tandem compressor design, each
compressor includes an individual nameplate along with a
nameplate identifying the tandem compressors.
Gas Burner Nameplate
On units that include gas heat, the nameplate is located on the
lower right corner on the main control box door. It includes the
burner model number, minimum/maximum input, maximum
temperature rise, and minimum CFM.
On units that utilize the tandem scroll compressor design, each
compressor includes an individual nameplate along with a
nameplate identifying the tandem compressors.
On units that utilize the tandem reciprocating design, each
compressor includes an individual nameplate.
Hazard Identification Information
Figure 1. Nomenclature
This manual provides general information about the “C”
vintage
Daikin
RoofPak applied rooftop unit, models RPS,
RDT, RFS and RCS. In addition to an overall description of
the unit, it includes mechanical and electrical installation
procedures, commissioning procedures, sequence of operation
information, and maintenance instructions. For further
information on the optional forced draft gas-fired furnace,
refer to Bulletin No. IM 684 or IM 685.
The MicroTech II applied rooftop unit controller is available
on “C” vintage applied rooftop units. For a detailed description
of the MicroTech II components, input/output configurations,
field wiring options and requirements, and service procedures,
see IM 696. For operation and information on using and
programming the MicroTech II unit controller, refer to the
appropriate operation manual (see Table 1).
For a description of operation and information on using the
keypad to view data and set parameters, refer to the
appropriate program-specific operation manual (see Table 1)
.
Table 1: Program specific rooftop unit operation literature
Rooftop unit control configuration
Operation manual bulletin
number
VFDs
Vendor IM manuals
Discharge Air Control (VAV or CAV)
OM 137-2
Space Comfort Control
(CAV-Zone temperature control)
OM 138-2
WARNING
Warnings indicate potentially hazardous situations, which can
result in property damage, severe personal injury, or death if
not avoided.
CAUTION
Cautions indicate potentially hazardous situations, which can
result in personal injury or equipment damage if not avoided.
R P S – 030 C S E
RoofPak
Unit configuration
P = Heating, mechanical cooling
F = Heating, future mechanical cooling
C = Condensing section only
D = Draw through cooling
Blow through cooling = S
Draw through cooling = T
Heat medium
A = Natural gas
E = Electric
S = Steam
W = Hot water
Y = None (cooling only)
Design vintage
Nominal capacity (tons)
RPS, RFS, RCS, RDT: 015, 018, 020, 025, 030, 036,
040, 045, 050, 060, 070, 075, 080, 090, 105, 115, 125, 135
Cooling coil size
S=Standard (low airflow)
L =Large (high airflow)
Summary of Contents for RDT-135c
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