Daikin DM92SN Operating instructions
Service Instructions
RSD6612021
July 2021
-
WARNING
2
WARNING
WARNING
-
-
WARNING
3
WARNING
•
•
•
WARNING
4
RO
B
NE
T
G
Z
M
N
U
LG
S
GS
M
NUE
L
E
N
POS
"O
N/M
R
E
"
LEERS
OW
N
NLE
T
DU
G
Z
N"O
N"
POS
R
R
E
E
D
U
G
Z
NLE
T
RR
E
E
G
S
M
NU
LGS
N
"ON"
P
OS
LEERS
OW
N
M
N
U
LG
S
NLE
T
LE
E
RS
OWN
"O
N/M
R
E
"
M
NULG
S
M
NU
E
L
E
NP
O
S
D
U
G
Z
RR
EE
N"O
N"
POS
D
U
GZ
GS
NLE
T
N
"ON"
P
OS
RR
E
E
RO
B
NE
T
G
Z
GS
LEERS
OW
N
5
D M 9 6 S N 0 6 0 3 B N A A
12345678910 11 12 13 14
Brand Minor Revision
D - Daikin A - Initial Release
B - 1st Revision
Configuration
M - Upflow/Horizontal Major Revision
C - Downflow/Horizontal A - Initial Release
B - 1st Revision
Nox
AFUE
80 - 80% AFUE 92 - 92% AFUE
96 - 96% AFUE 97 - 97% AFUE
Cabinet Width
A - 14"
Gas Valve B - 17.5"
T - 2 Stage C - 21"
S - 1 STAGE D - 24.5"
MOTOR Maximum CFM
N - Nine Speed ECM 3 - 1200 CFM
4 - 1600 CFM
5 - 2000 CFM
MBTU/h
030 - 30,000 BTU/h 080 - 80,000 BTU/h
040 - 40,000 BTU/h 100 - 100,000 BTU/h
060 - 60,000 BTU/h 120 - 120,000 BTU/h
N-Natural Gas =>40NG/JNOx
X-Low NOx <=40NG/JNOx
U-Ultra Low NOx =<14NG/JNOx
6
WARNING
WARNING
WARNING
WARNING
7
POSITION SIDES REAR FRONT BOTTOM FLUE TOP
Upflow 0" 0" 1" C 0" 1"
Horizontal 6" 0" 1" C 0" 4"
POSITION SIDES REAR FRONT BOTTOM FLUE TOP
Downflow 0" 0" 1" NC 0" 1"
Horizontal 6" 0" 1" C 0" 4"
DM92SN & DM96SN MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
DC96SN MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
C = Combus�ble: if placed on combus�ble floor, the floor MUST be wood ONLY.
For servicing or cleaning, a 24: front clearance is recommended.
Unit connec�ons (electrical, flue, and drain) may necessitate great clearances than the minimum clearances listed above.
In all cases, accessibility clearance must take precedence over from the enclosure where accessibility clearances are greater.
Approved for line contact in the horizontal posi�on.
C = Combus�ble: if placed on combus�ble floor, the floor MUST be wood ONLY.
NC = Non-Combus�ble: A combus�ble floor sub-base must be used for installa�on on combus�ble flooring.
Notes:
For servicing or cleaning, a 24: front clearance is recommended.
Unit connec�ons (electrical, flue, and drain) may necessitate great clearances than the minimum clearances listed above.
In all cases, accessibility clearance must take precedence over from the enclosure where accessibility clearances are greater.
8
WARNING
WARNING
WARNING
WARNING
•
•
WARNING
WARNING
•
•
•
WARNING
WARNING
WARNING
WARNING
WARNING
10
115 VAC EAC
115 VAC HUM
W R G C Y
24 VOLT HUM. &
HUMIDISTAT
W R G C Y
24V HUM Terminal is
energized when pressure
switch is closed
11
Y
C
Y
C
G
R
W
Y2
Y/Y1
C
G
R
W
ROOM THERMOSTAT
INTEGRATED FURNACE
CONTROL MODULE
REMOTE COOLING UNIT
(SINGLE STAGE)
Y1
C
Y1C
G
R
W
Y2
Y/Y1
C
G
R
W
ROOM THERMOSTAT
INTEGRATED FURNACE
CONTROL MODULE
REMOTE COOLING UNIT
(TWO STAGE)
Y2
Y2
WARNING
ROOM THERMOSTAT
Y2
Y/Y1
C
G
R
W
Y2
Y/Y1
C
G
R
W
Y2
Y/Y1
C
G
R
W
TWIN
TWIN
COND UNIT
CONTACTOR
COND UNIT
CONTACTOR
FURNACE 1
FURNACE 2
WARNING
12
WARNING
Gas Piping Connections
•
•
•
•
•
•
13
•
•
•
1/2" 3/4" 1" 1 1/4" 1 1/2"
10 132 278 520 1050 1600
20 350 730 1100
30 73 152 285
40 63 130 245 500 760
50 56 115 215 440 670
60 50 105 400 610
70 46 180 370 560
80 43 170 350 530
40 84 160 320
100 38 150 305 460
•
•
•
Alternate
Gas Line
Location
Gas Valve
Burners Manual Shut Off Valve
(upstream from
ground joint
pipe union)
Drip Leg
Grommet
in Standard
Gas Line
Hole
*Ground
Joint
Pipe
Union
*Ground
Joint
Pipe
Union
*NOTE: Union may be inside furnace cabinet where allowed by local codes.
Manifold
Alternate
Gas Line
Location
Plug in
Alternate
Gas Line
Hole
Gas Valve
Burners
Manual Shut Off Valve
(upstream from ground joint pipe union)
Drip Leg
Grommet
in Standard
Gas Line
Hole
*Ground
Joint
Pipe Union
*Ground
Joint
Pipe Union
*NOTE: Union may be inside furnace cabinet where allowed by local codes.
14
Drip Leg
Plug in Main Gas Line Hole
Alternate
Union
Location
Manual Shut Off Valve
(upstream from
ground joint pipe union)
Gas
Valve
Burners
Drain Trap
Manifold
Plug in Alternate Gas Line Hole
Grommet in
Standard Gas Line Hole
Manual Shut Off Valve
(upstream from
ground joint
pipe union)
WARNING
WARNING
•
•
15
WARNING
-1 0 1 2 3
Difference is 4
16
CUTAWAY OF DUCTWORK
TO EXPOSE COIL
DIGITAL
MANOMETER
RETURN
AIR
Mode
.
SUPPLY
AIR
WARNING
17
18
Safety Considerations
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
THERMOSTAT CALL AVAILABLE SPEEDS
W/W1
F01
F03
F04
F02 (DEFAULT)
THERMOSTAT
CALL
AVAILABLE
SPEEDS
G
F01
F02
F03
(DEFAULT)
F04
F05
F06
F07
F08
F09
20
• 1 A C
•
•
•
•
• 2 A C
•
•
•
•
THERMOSTATCALLAVAILABLESPEEDS
Y/Y1
F01
F02
F03
F04(DEFAULT)
F05
F06
F07
F08
F09
THERMOSTATCALLAVAILABLESPEEDS
Y2
F01
F02
F03
F04
F05(DEFAULT)
F06
F07
F08
F09
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