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Savio
Savio
HEAT ONLY
WALL HUNG GAS BOILER FOR
CENTRAL HEATING SUPPLY
Please Read Instructions Carefully
Save for Future Reference
WARNING: If the information in this manual is not followed
exactly, a re or explosion may result causing property dam-
age, personal injury or loss of life.
—
Do not store or use gasoline or other ammable vapors and liquids
in the vicinity of this or any other appliance.
—
WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any appliance.
•
Do not touch any electric switch; do not use any phone in your
building.
•
Immediately call your gas supplier from a neighbor's phone. Fol-
low the gas supplier's instructions.
•
If you can not reach your gas supplier call the re department.
—
Installation and service must be performed by a quali ed installer,
service agency or the gas supplier.
SAVIO HEAT ONLY MANUAL
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Table of Contents
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Summary of Contents for Savio Savio
- Page 1 • If you can not reach your gas supplier call the re department. — Installation and service must be performed by a quali ed installer, service agency or the gas supplier. SAVIO HEAT ONLY MANUAL...
- Page 2 CSA 4.9 and is CSA compliant. This SAVIO Heating Only boiler has a 2 year warranty on the boiler, and 10 years on the heat exchanger a copy of which is provided with the boiler. Please be sure to return the warranty registration card as the warranty will be void without your boiler’s serial numbers (located on...
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Page 3: Table Of Contents
Room Thermostat Connection 12.3 Relay Panel Control Connection 12.4 Zone Valve Microswitch Connection 12.5 Circulator Sizing Circ. Cap. as a Function of Flow Rate 13.1 Expansion Vessel 13.2 Piping 26-28 Primary-Secondary Piping 14.1 Primary-Secondary with Zone Valves 14.2 SAVIO HEAT ONLY MANUAL... -
Page 4: Warnings
Emptying the C.h. System 17.3 Cleaning the Primary Heat Exch. 17.4 Checking the Pressuris. in C.h. Vess. 17.5 Cleanig the Burner 17.6 Checking the Flue 17.7 Visual Inspection of Appliance 17.8 Gas Pressures and Soundness 17.9 Installer Notes SAVIO HEAT ONLY MANUAL... - Page 5 Installation and service must be performed by a quali ed installer, ser- vice agency or the gas supplier. DANGER Caution: Do not store or use ammable materials, chemicals or ammable liquids, especially gasoline, in the vicinity of this heating appliance. SAVIO HEAT ONLY MANUAL...
- Page 6 If any of the symptoms of CO occur, or if any of the signs of carbon monoxide are present, VACATE THE PREMISES IMMEDIATELY AND CONTACT A QUALIFIED HEATING SER- VICE COMPANY OR THE GAS COMPANY OR THE FIRE DEPARTMENT. ONLY QUALIFIED, LICENSED SERVICE CONTRACTORS SHOULD PERFORM WORK ON YOUR SAVIO HEAT ONLY BOILER. SAVIO HEAT ONLY MANUAL...
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Page 7: Important Information
- B149 Installation Codes E. ANSI/ASME - CSD-1 The above codes are available from: National Fire Protection Association (NFPA) CSA International Battery March Park 8501 E. Pleasant Valley Road Quincy, Massachusetts, 02269 Cleveland, OH 44134-5575 http://www.nfpa.org http://www.csa-international.org SAVIO HEAT ONLY MANUAL... -
Page 8: General Information
General Information The SAVIO Heat Only is a high ef ciency, non-condensing, wall mounted gas boiler which pro- vides central heat. The boiler features a gas valve which modulates the energy input from 49,476 BTU/h to 122,837 BTU/h. The boiler is shipped fully assembled with the components listed on page 10. - Page 9 Power consumption 2.25/4 Coaxial 3.25/5 FLUE GAS FIGURES Twin split pipes 3.25/3.25 Nominal heat ow rate 122.8 2.5% 7.2% (0/2000ft) 16.5% 8.1% Nominal heat ow rate 116.7 (2000/4500ft) Min Exhaust temperature °F Max Exhaust temperature °F SAVIO HEAT ONLY MANUAL...
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Page 10: Parts List
28 Pressure reducing automatic ll valve 13 Safety thermostat 29 Back ow preventer 14 Modulation operator 30 Gas supply line cock 15 Gas valve outlet pres. Test point 31 Water supply inlet cock 16 Gas valve inlet pres. Test point 10 SAVIO HEAT ONLY MANUAL... -
Page 11: Internal Piping And Parts List
Internal Piping & Parts List Note: Pressure Relief Valves (#19) should be piped to a drain or to the oor as lose as pos- sible to a drain. SAVIO HEAT ONLY MANUAL... -
Page 12: Electric Diagrams
Electric Diagrams Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause im- proper and dangerous operation. Verify proper operation after servicing 12 SAVIO HEAT ONLY MANUAL... -
Page 13: Installation Location
Air Opening 0 to 12" Figure 6.2 When choosing an installation location insure the exhaust and intake pipes comply with NFPA 54. The drawing on the next page illustrates the restrictions on exhaust locations. SAVIO HEAT ONLY MANUAL... -
Page 14: Exhaust Pipe Location
The vent should not be situated so that the ue gases are directed towards brickwork,siding, or other construction, in such a manner that may cause damage from heat or condensate from the ue gases 14 SAVIO HEAT ONLY MANUAL... -
Page 15: Mounting Bracket
If you are using a separate pipe system drill holes marked B and C (ø 3.25”) shown below as well as on the paper template. Remove paper template and hang boiler on bracket. Figure 8.1 SAVIO HEAT ONLY MANUAL... -
Page 16: Venting
Venting The SAVIO is a mechanical draft, side wall vented boiler. There are two ue options available - separate and coaxial. The coaxial option has one con guration shown on the next page. The separate option has two possible con gurations shown on the following pages. -
Page 17: Choice Of Flue
Connect exhaust (inner) pipe to concentric elbow. • Connect intake (outer) pipe to concentric elbow. • Secure elbow to boiler using gasket and four screws provided. • Secure end cap on the intake pipe outside the house. SAVIO HEAT ONLY MANUAL... - Page 18 Attach each collar to the boiler with the gasket and screws provided. • Insert each elbow into its corresponding collar. • Connect each pipe to its corresponding elbow (as shown in the diagram). • Secure end cap on the intake and exhaust pipe outside the house. 18 SAVIO HEAT ONLY MANUAL...
- Page 19 Slide one rubber wall trim piece on the pipe from inside and one from outside. • Attach each collar to the boiler with the gasket and screws provided. • Insert each elbow into its corresponding collar. • Connect each pipe to its corresponding elbow. SAVIO HEAT ONLY MANUAL...
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Page 20: Pipe Connections
Pipe Connections The SAVIO boiler is supplied with a 3/4” stainless steel gas pipe (A in gure 10.1), 2 - 3/4” cop- per pipe (C,D in gure 10.1), located in a plastic bag in the boiler package. Figure 10.1 Stainless steel gas pipe C.h. -
Page 21: Gas Pipe Connections
½ psi(3.5 kPa). WARNINGS DO NOT USE A FLAME FOR CHECKING GAS LEAKS. SAVIO HEAT ONLY MANUAL... -
Page 22: Electrical Connections/Wiring
Note: Do not connect live wires to Power supply thermostat terminals 1-3. terminal block External controls terminal block Figure 12.5 • Connect the earth wire(yellow/green). Boiler must be wired directly to earth ground on breaker panel. 22 SAVIO HEAT ONLY MANUAL... -
Page 23: Room Thermostat Connection
Figure 12.8 • Connect the dry contact switch to termi- • When connecting any type of relay con- nals 1 and 3 shown in Fig. 12.9. trol, the jumper J in Fig. 12.8 must be re- moved. SAVIO HEAT ONLY MANUAL... -
Page 24: Zone Valve Microswitch Connection
To the external control device To the fused spur isolation switch Figure 12.12 • Lock the cords in place with the exible cord clamps. • Replace the control panel reversing the steps on page 22. 24 SAVIO HEAT ONLY MANUAL... -
Page 25: Circulator Sizing
23 ft at most. For greater differences, increase the pre-load pressure in the C.h. expansion vessel (17 on page 10) and the system when cold, by 0.1 bar for additional 3.3 ft. For systems with volumes greater than 154l, an additional expansion vessel must be provided. SAVIO HEAT ONLY MANUAL... -
Page 26: Piping
All external piping components are to be supplied by the installer. It is very important to use an hydraulic separator before secondary circulators. Hydraulic Separator Min. Spacing 12" Max. Spacing 4x Primary Pipe Secondary Circulator Dia. Typ. Secondary Loops 26 SAVIO HEAT ONLY MANUAL... - Page 27 All external piping components are to be supplied by the installer. It is very important to use an hydraulic separator before secondary circulators. Supply Lines to System Zone Valve zone zone zone Secondary Circulator valve valve valve Return Lines from System Hydraulic Separator SAVIO HEAT ONLY MANUAL...
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Page 28: Manifold Piping With Zone Valves Or Circ
Manifold Piping with Zone Valves or Circulators (shown conn. to radiators): All external piping components are to be supplied by the installer. Return Water Temperature Gauge By-pass Valve Shut Off Valve System Return Manifold System Supply Manifold (with zone valves or circulators 28 SAVIO HEAT ONLY MANUAL... -
Page 29: Commissioning
D will appear. To reset the boiler turn the knob B ( gure 15.3) on the 0 position and then press and release the boiler reset button C (Fig. 15.3). SAVIO HEAT ONLY MANUAL... -
Page 30: Checking The Gas Pres. At The Burner
Switch on the boiler. points must be sealed. • Check the maximum gas pressure and com- pare the value on the gauge with the value indicated in the Section 2 on page 9 (gas pressures at the burner). 30 SAVIO HEAT ONLY MANUAL... -
Page 31: Adjustment Of The Gas Pressure
(D on Figure 15.3). To reset the boiler turn the knob B ( gure 15.3) on the 0 position and then press and release the boiler reset button (C on Figure 15.3). SAVIO HEAT ONLY MANUAL... -
Page 32: Checking The Burner Ignition
Adjust the gas pressure at the burner to the value according to the useful c.h. output wanted (Tab. 15.1). • Reassemble the service panel. • Close the gas valve outlet pressure test point 15 ( gure 15.5). • Reassemble the front pannel of the case. 32 SAVIO HEAT ONLY MANUAL... -
Page 33: Labels Placement
All the labels supplied with the boiler are numbered for reference. According to Figure 15.10 place all the labels on the boiler. Use label numbered as 1 (already installed in the front panel) to begin the placement in the correct way. SAVIO HEAT ONLY MANUAL... -
Page 34: Instructing The User
10.56 1010 1190 1390 1590 inwc. 1.64 2.16 2.73 3.37 4.05 4.77 5.58 6.38 Propane Kg/h 1.20 1.37 1.55 1.71 1.88 2.04 2.20 2.36 lb/h 2.64 3.02 3.41 3.76 4.14 4.49 4.85 5.20 Table 15.1 34 SAVIO HEAT ONLY MANUAL... -
Page 35: Gas Conversion
(included with the conversion kit) indicating the type of gas, and the gas pres- sures to which the appliance has been set. • Reassemble the front and side panels of the case. SAVIO HEAT ONLY MANUAL... -
Page 36: Annual Maintenance
Open the central heating drain cock (F in Fig. 17.3). • Empty the c.h. system. • Close the central heating drain cock (F in Fig. 17.3). • Open the pressure reducing automatic ll valve (28 on Section 4) Figure 17.3 36 SAVIO HEAT ONLY MANUAL... -
Page 37: Cleanig The Burner
Visually inspect all water joints, seals and connections for any evidence of leakage and re- tighten, grease or replace them as necessary. 17.9 Gas pressures and soundness: Check appliance for gas soundness. Recheck operational pressures and adjust as necessary as described in Section 15.4 page 31 of this manual. SAVIO HEAT ONLY MANUAL... -
Page 38: Installer Notes
Original Purchaser: ________________________ ___________________________ ________________________ ___________________________ ________________________ ___________________________ _______________________________________________________________________ Performance Tests: GROSS STACK TEMPERATURE __________________ ROOM TEMPERATURE (AMBIENT) ________________ NET STACK TEMPERATURE _____________________ __________________ ___________________ SMOKE READING ___________________ COMBUSTION EFFICIENCY _________________ COMMENTS ___________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 38 SAVIO HEAT ONLY MANUAL... - Page 39 SAVIO HEAT ONLY MANUAL...
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