Heat Controller CDG, MDG User Manual
INSTALLATION INSTRUCTIONS
FEATURING R-410A OR R-22 REFRIGERANT
Multi-Position Cased and Uncased Coils for
Cooling / Heat Pumps
INSTALLATION
INSTRUCTIONS
Multi-Position
Cased & Uncased Coils for
Cooling and Heat Pumps
Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com
MDG Series
1.5 to 5 Ton
CDG Series
1.5 to 5 Ton
Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc.
Table of Contents
1.0 MODEL NOMENCLATURE .....................................................................................2
2.0 SAFETY
3.0 GENERAL
3.1 CODES & REGULATIONS ...............................................................................................4
3.2 INSPECTION UPON UNIT ARRIVAL ................................................................................4
3.3 CLEARANCES ..................................................................................................................4
3.4 UNIT DIMENSION AND COMPONENT LOCATION .........................................................5
...................................................................................................................3
.................................................................................................................4
4.0 INSTALLATION INSTRUCTIONS .............................................................................7
4.1 REPLACEMENT PARTS ..................................................................................................7
4.2 PRE-INSTALLATION INSTRUCTIONS .............................................................................7
4.3 INSTALLATION AND TRAP CONNECTION .....................................................................7
5.0 DRAIN APPLICATION ..............................................................................................8
5.1 CONDENSATE DRAIN PIPING ........................................................................................8
5.2 PLASTIC DRAIN PAN INSTALLATION .............................................................................8
6.0 REFRIGERANT CONNECTIONS ...........................................................................10
6.1 FLOWRATOR PISTON CHANGE ...................................................................................10
LIST OF FIGURES AND TABLES
Fig.1 CASED DIMENSIONS AND COMPONENT LOCATION
..................................5
Fig.2 UNCASED DIMENSIONS AND COMPONENT LOCATION
Fig.3 INSTALLATION AND DRAIN CONNECTIONS
Fig.4 UNCASED COIL
Fig.5 DRAIN LINE INSTALLATION
Fig.6 DRAIN PIPE ROUTING
Fig.7 FLOWRATOR PISTON CHANGE
...............................................................................................8
...........................................................................9
....................................................................................9
..................................................................10
TABLE 1 FLOWRATOR PISTON SIZE CHART
................................................7
......................................................11
............................6
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Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils
1.0 Model Nomenclature
C D G 18 F A - A
C = Uncased Coil
M = Multi Postion Cased Coil
Design Series
R-410A
Refrigerant
F = Flowrater (Piston)
T = TXV
18 = 18,000 BTUH
24 = 24,000 BTUH
30 = 30,000 BTUH
36 = 36,000 BTUH
42 = 42,000 BTUH
48 = 48,000 BTUH
60 = 60,000 BTUH
1
A = 14
B = 17
C = 21" Wide Cabinet
D = 24
/2" Wide Cabinet
1
/2" Wide Cabinet
1
/2" Wide Cabinet
A = Revision
Code
NOTE: Not all model congurations are available. The nomenclature exists for
future product line development. Consult your local distributor or Heat
Controller’s customer service department regarding available options.
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc.
2.0 Safety
When you see the symbols below on labels or in manual, be alert to the potential or immediate hazards
of personal injury, property and/or product damage. It is the owner’s or installer’s responsibility to comply
with all safety instructions and information accompanying these symbols.
Warning
This is a safety alert symbol indicating a potential hazardous situation, which could
result in personal injury, property and/or product damage or death.
Caution
This is a safety alert symbol indicating a potential hazardous situation, which could
result in moderate personal injury, and/or property and product damage.
Warning
Disconnect all power to the unit before starting any service and maintenance. Failure to
do so could cause severe electrical shock resulting in personal injury or death.
Warning
Installation or servicing of this unit can be hazardous due to parts, components and
system pressure. Qualied and proper trained service personnel should perform
installation and repair. Failure to do so could cause severe electrical shock resulting in
personal injure or death.
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