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6. Seal around sleeve between finished interior wall and sleeve to minimize heat/
cooling loss around sleeve. Seal may be caulking, or if preferred, installer
may trim around sleeve with molding or other suitable materials.
IMPORTANT: Installation of the rear grille must be made prior to installing
the chassis as it secures from inside the wall sleeve.
7. Slide unit into wall sleeve and secure it to sleeve using the four #10 x 1/2
screws provided.
8. Connect gas and electrical supply. Refer to Figure 10 for centerline location
of gas connection and electrical connection when unit is installed into wall
sleeve.
NOTE: This unit is factory set for 230 volt operation. If you wish to operate unit on
208 volts, the rocker switch located behind the cabinet front on the controls panel
(reference Item No. 25, Figure 15) must be switched to 208 volts.
NOTE: On occasions, the voltage on a 230 volt model may drop. If the voltage
drop is at or below 208 volts, the switch should be switched to 208 volts.
9. The operation of this unit is controlled by a built-in thermostat. A digital
temperature read out will be displayed on the control panel.
For remote thermostat operation, connect the thermostat wiring to the terminal
block located on the module board. Move switch #1 on the thermostat switch to
"on". (See Figure 12.)
To reset controls, turn power off then back on.
NOTE: Connecting remote thermostat overrides the built-in thermostat and you
will not get a digital read out on the control panel. There is no need to disconnect
the built-in thermostat as shipped from factory.
10. Reinstall air filter.
11. The outlet air grille can be installed in either of two positions. The unit is
delivered for horizontal air flow. If vertical air flow is desired, remove grille and
reinstall in alternate position. See figure below.
12. Reinstall cabinet front. Do not operate unit with cabinet front removed.
MAKING GAS CONNECTIONS
The unit is factory equipped with a 3/8" NPT gas connection. The size of the pipe
should be computed according to the type of gas and the length of the run. Table
2 gives a reasonably accurate size for the service line. The quantities given in the
table are for cubic feet per hour. To convert BTU capacity to cubic feet, divide total
BTU load by the BTU value of the gas being used. The table is for natural gas only.
To convert to liquefied petroleum (LP) gas, multiply by .633. The pressure drop
caused by other gas appliances being served by any portion of the line provided
for this installation must be considered. If the new line is takeoff from an existing
line to another appliance, pressure drop computation with the table must include
the demand of the other appliance.
CAUTION: Suburban does not recommend the use of flex tubing to make the
gas connections to the unit unless the flex tubing is a high quality stainless
certified by AGA and approved for use by local code.
Minimum gas supply pressure for purposes of input adjustment:
Natural Gas
Liquefied Petroleum (LP) Gas
(*Water Column)
OPERATING PRESSURE
All units for burning natural gas are equipped with a valve having a built-in
regulator preset at 3.5" W.C. pressure. All units for burning liquefied petroleum
(LP) gas are equipped with a valve having a built-in regulator preset at 10.5" W.C.
pressure. Do not adjust the regulator set screw on the valve. Over firing of the
unit may occur.
It is recommended that the installer install a manual shut-off valve in the gas
supply line to the unit. It is also recommended that a ground joint union be
installed between the unit and this shut-off valve.
A condensate trap should also be installed in the gas supply line as close to the
unit as possible.
In order to maintain a check on gas supply pressure to the unit, Suburban advises
the installer to provide a 1/8" NPT plug tap for test gauge connection immediately
upstream of the gas supply connection to the unit.
The unit and its individual shut-off valve must be disconnected from the gas supply
piping system during any pressure testing of the gas system at test pressures in
excess of 1/2 PSIG. The unit must be isolated from the gas supply piping system
by closing its individual manual shut-off valve during any pressure testing of the
gas supply system at test pressures equal to or less than 1/2 PSIG.
WARNING!
A pipe thread compound resistant to the action of liquefied petroleum (LP)
and natural gas must be used on all pipe joints.
All gas piping should be tested with a soap and water solution to assure gas-tight
connections.
WARNING!
Do not use an open flame to check for leaks!
Minimum
Maximum
5" W.C.*
7" W.C.
11" W.C.
13" W.C.
3
GRILL POSITION FOR
HORIZONTAL AIR FLOW
POSITION POUR GRILL
FLUX D'AIR HORIZONTAL
MAKING ELECTRICAL CONNECTIONS
(208 - 230 Volts)
If local codes permit, the service cord as supplied with the unit may be used. The
service cord is added at the factory for testing during production. If local codes
do not permit the use of a service cord, it must be removed and the electrical
connections made in the junction box.
All external wiring must comply with local codes or national electrical codes.
It is recommended that the wiring be on a separate permanent line electrical
circuit. The electrical circuit must be protected using dual 15 amp fuse or HACR
type circuit breaker.
In the U.S.A., the unit when installed, must be electrically grounded in accordance
with local codes or, in the absence of local codes, with the latest edition of National
Electrical Code ANSI/NFPA No. 70. Proper operation of this unit is dependent on
adequate earth ground. If the installation is made using gas piping of any material
other than metal pipe, then adequate steps must be taken to assure adequate
earth ground.
In Canada, the unit must be electrically connected and grounded in accordance
with local codes or in the absence of local codes with the current CSA C22.1
Canadian Electrical Code.
24 VAC EMERGENCY POWER CONNECTION
(COMPRESSOR LOCK-OUT)
Two 1/4" male terminals labeled "PWR DOWN" are available on the module
board. If 24 VAC is applied to these terminals, the compressor and condensor fan
operation are disabled. During a call for cooling, the indoor blower will run and the
"SERVICE SYSTEM" light will be on.
1. Remove the display panel (save the 5 screws for re-use (See Figure 13).
2. Route wiring from an external 24 VAC source through the bushing in the base
of the unit.
3. Terminate two wires with 1/4" female pre-insulated terminals.
4. Connect wires to the "PWR DOWN" terminals on the module board (See
wiring diagram).
5. Replace the display panel.
OPERATING INSTRUCTIONS
A. HEAT MODE - Initial Lighting Instructions (See Figure 11)
NOTE: During initial firing of this furnace, a burn-off of excess paint and oils
remaining from manufacturing process may cause "smoking" for 5 - 10 minutes.
NOTE: If your unit has the optional air discharge package installed, we recommend
the room air blower be operated on high (Select high fan speed).
1. Open the manual shut-off valve. The valve is fully open when the handle is
level or parallel to the gas line. Never attempt to operate unit with manual
valve partially closed.
2. Depress "System" key pad until heat lamp is illuminated.
3. Depress "Fan" key pad until desired speed lamp is illuminated.
4. Set thermostat to desired setting by depressing temperature indicating arrows
until desired temperature is displayed.
5. If the thermostat circuit is closed at the setting chosen in step 4, the ignition
sequence begins.
6. After ignition, the operation of the unit will be controlled automatically by the
thermostat.
TO SHUT DOWN FOR AN EXTENDED PERIOD OF TIME
1.
Depress "System" key pad until stand by lamp is illuminated.
2.
Close manual shut-off valve.
Suburban DynaLine Owner's Manual 10/2017 Rev.1
GRILL POSITION FOR
VERTICAL AIR FLOW
POSITION GRILLE POUR
FLUX D'AIR VERTICAL
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