Williams 2903511 - Manuals

Installation Installation should be done by a QUALIFIED SERVICE TECHNICIAN. The furnace must be located on an outside wall. WARNING: For the installation of this furnace, the following items must be used as a vent air intake system: Wall Installation Minimum clearances from combustible materials: Ex...

Outside Location for Vent Terminal Upon delivery, check to make sure the packaging has not been damaged. 1. Remove the furnace from box/packaging taking care not to damage the paper template to be used to mark the holes for mounting the furnace. 2. After marking the appropriate holes using the above...

Gas Conversions Converting to another gas type must be performed by a qualified service technician. If the type of the gas supplied to the dwelling is not the same type as your furnace (natural or LPG gas), it must be converted. It will be necessary to do the following: 1. Change nozzle. a. Remove t...

Gas Supply Check all local codes for requirements, especially for the size and type of gas supply line required. On natural gas lines less than 15” (380 mm) long, use 1/2” tube; on longer runs, use 3/4” iron tube or equal. On LP gas lines, consult LP gas supplier. Installing a New Main Gas Shutoff V...

First Firing of the Furnace Start the furnace following the instructions given in the “Operating Instructions“. The initial pilot lighting may be difficult due to air trapped in the gas lines. During initial firing of the furnace, residual manufacturing grease will bake-out and smoke will occur whic...

Electrical Wiring FLAME VIEW LAMP (GREEN LAMP) SF GAS VALVE 1 (SAFETY SHUTTER) EV LOCK-OUT LAMP (RED LAMP) SB EV1 CURRENT TRANSFORMER 120-24 V TR HI-LO FLAME OPERATOR (*) EV2 RESET AND SUMMER – WINTER SWITCH (*) Z1 FAN MOTOR (n. 2 MOTORS ON 8001/8002) M HI-LO FLAME AND FAN SPEED SWITCH (*) Z2 OVERHE...

Operating Instructions Before operating the furnace, read carefully all warnings and safety information in this manual. A . This app liance does no t ha ve a pilo t which m ust F ollow the gas sup plie r' s instructions. be lig hted by m eans of th e piezo ig nit er inst alle d - If yo u canno t rea...

WHAT TO DO IF THE RED LAMP IS LIT This appliance has an e le ct ro nic flam e superv isio n de vice. If t he f lam e disa ppea rs th e ga s f lo w will be aut om atically sh ut o ff an d th e red lam p will lig ht instea d of th e gree n on e. The a ppliance will a ttem pt to religh t if yo u do ONE...

Servicing All servicing activities must be carried out by a qualified service technicial or a service agency. The home owner may not service the furnace. The home owner must read this section to be informed of the periodic maintenance and checks the required. All servicing (except on vent system) mu...

Annual Maintenance Requirements 1. Clean fan blades. 2. Clean air blower. 3. Check and clean silicone red pipes. 4. Check air flow switch. 5. Clean and check exhaust flue pipe and air intake pipe. Check red O-Ring Gasket (NRNG003). If it is damaged, replace it. 6. Check for gas leaks on all connecti...

Setting and Adjustment 1 2 3 4 5 6 7 0:00 1 2 3 4 5 6 7 E EE 1 2 3 4 5 6 7 0:00 1 2 3 4 5 6 7 0:00 1 2 3 4 5 6 7 0:00 ☼ 1 Initial Conditions A. Set the Setting/Regulator switch (Figure 10-B) in RUN position (center). Press the Reset button R. The display will flash. B. With the Setting/Regulator swi...

D. Press the Day Setting, (1……7, Figure 11-D) button to program another day or block of days. E. To set further programs repeat steps item B through D above. NOTE: When the same ON and OFF times are desired for different days of the week, the setting procedure may be simplified. • 1-2-3-4-5 (from Mo...

Troubleshooting Starting Sequence (Electrical) Step 1 1. Check L1 – L2 (Supply 120 V, 60 Hz) 2. Check M9 (Main fuse) Troubleshooting Step 1 Point 1 (L1-L2) No voltage (120 V). Check the electrical supply line, wiring and connections. Point 2 (M9) Fuse damaged. Check the electrical supply line and re...

Replacement Parts TR – 120/24V Transformer Part Number: JTRS017 Ignition Control Box Part Number: JCNT019 NP – Pressure Switch Part Number: JPRS009 Z9 – Room Thermostat Part Number: JTLT005 Z1 – Reset and Summer/Winter Switch Part Number: NTST000 Z8-Z3 – Timer and Manual- Program Mode Switch Part Nu...