McQuay RCS 040C Installation Manual
Installation and Maintenance Manual IM 787
Field Installed SpeedTrol™ for
RoofPak™ Singlezone Rooftop Units
RPS/RDT/RCS 036C-135C
Group: Aftermarket Products
Part Number: 300040599
Date: December 2003
© 2003 McQuay International
Table of Contents
Typical Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1 Typical Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Condenser Fan Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2 Condenser Fan Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Field Installation of SpeedTrol Option to “C” Vintage Rooftop Units: RPS/RDT/RCS (Sizes 036-135) . . . . . . . . . . . . . . . 5
Figure 3 Typical Schematic for RPS/RDT Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4 Typical Schematic for RCS Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5 Remove Panel V04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6 SpeedTrol Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7 Typical Condenser Box Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8 Typical Condenser Box Power Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
WARNING
Moisture in control panel can cause severe personal injury and damage equipment.
When servicing this equipment during rainy weather, protect electrical components in main control panel from
rain.
™ ® The following are trademarks or registered trademarks of McQuay International: FanTrol, MicroTech, MicroTech II,
RoofPak and SpeedTrol.
2 IM 787
Typical Component Locations
Figure 1 shows a typical RPS unit with the location of the
major components and also lists some major dimensions.
These figures are for reference only.
Figure 1: Typical Component Locations
IM 787 3
Condenser Fan Arrangement
Figure 2 shows the condenser fan numbering conventions and locations for each unit size with SpeedTrol application.
Figure 2: Condenser Fan Arrangement
Unit Size Refrig.Circuit Arrangement
12
11
036C
040C
May be a
Singular or
Dual Circuit Unit
22
21
100" (2540 mm)
12
1
2
100" (2540 mm)
11
22
21
83”
COND. AHU
045C
1
11 12
050C
060C
2
1
2
21 22
11 12
23
21 22
83”
13
Low Ambient (SpeedTrol)
Fan No.
11
21
11
21
11
21
11
21
070C
075C
080C
090C
105C
115C
125C
135C
1
2
1
2
1
2
1
2
1
2
11
21
11
24
21
11
24
21
11
25
21
11
251526
21
12
22
12
22
12
25
22
12
22 23
12
22 23
119”
13
23
119”
13
14
23
119”
13
14
23
139”
13 14
139”
13 14
16
11
21
11
21
11
21
11
15
24
21
11
21
24
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