1. Kupu Whakataki
This manual provides essential information for the safe installation, operation, and maintenance of your Stelpro Ultra-Quiet Wall Convector Heater, model ASHC0502WCW. Please read these instructions thoroughly before installation and retain them for future reference. This heater is designed to provide supplemental heat for small indoor spaces.
2. Nga korero haumaru
WARNING: Risk of electric shock. Installation must be performed by a qualified electrician in accordance with all national and local electrical codes.
- Kua hangaia tenei whakamahana mo hardwired connection only. It is not a plug-in unit.
- Ko tenei waahanga does not include a built-in thermostat. An external electronic wall thermostat (sold separately) is required for operation. Mechanical thermostats are not compatible.
- Ensure the power supply is disconnected at the circuit breaker before attempting any installation, maintenance, or wiring.
- Do not install the heater near flammable materials, curtains, or furniture. Maintain adequate clearance as specified in installation guidelines.
- Do not insert foreign objects into any ventilation or exhaust opening as this may cause electric shock, fire, or damage to the heater.
- He wera tenei whakamahana ina whakamahia ana. Kia kore e wera, kaua e tukua te kiri kau kia pa ki nga mata wera.
- Do not use this heater in wet or moist locations unless specifically rated for such environments.
3. Ihirangi mokete
Manatokona kei te noho nga waahanga katoa i mua i te tiimata o te whakaurunga:
- Stelpro Wall Convector Heater Unit (ASHC0502WCW)
- Maunga Paetahi
- Pūmārō Tāuta (nga tīwiri, punga)
- Pukapuka Tohutohu

Whakaahua 1: Koki-mua view of the Stelpro Ultra-Quiet Wall Convector Heater.
4. Whakatakotoranga
| Waitohu | Stelpro |
| Tau tauira | ASHC0502WCW |
| Putanga Mana | 500W (at 240V) / 375W (at 208V) |
| Voltage | 240 Volts (also compatible with 208V) |
| Nga Ahinga (D x W x H) | 3.94"T x 17.31"W x 17.56"H (101mm T x 440mm W x 446mm T) |
| Te Whakawera | Tae atu ki te 50 sq ft |
| Momo Whakaeke | Maunga Taiepa |
| Tae | Mā |
| Taumaha | 11.2 pauna |

Whakaahua 2: Taha view of the heater showing its compact dimensions: 17 9/16" H x 17 5/16" W x 3 15/16" D.
5. Tatūnga me te Tāuta
The Stelpro ASHC0502WCW heater is designed for surface-mount wall installation with a concealed bracket for a clean finish. It requires a 240V or 208V hardwired electrical connection and an external electronic wall thermostat.
5.1 Rarangi Arowhai I mua i te Whakaaturanga
- Ensure the power supply is OFF at the main circuit breaker.
- Confirm you have an appropriate electronic wall thermostat (not included).
- Kohikohia nga taputapu e tika ana: te wiri, te huriwiri, te tango waea, te taumata, te riipene ine.
- Select a suitable wall location, ensuring proper clearances from floors, ceilings, and adjacent walls as per local codes and the heater's specifications.
5.2 Te Whakanui i te Whakawera
- Ata tango i te whakamahana mai i tana putunga.
- Detach the mounting bracket from the back of the heater.
- Position the mounting bracket on the wall at the desired height, ensuring it is level. Mark the screw hole locations.
- Drill pilot holes if necessary and secure the mounting bracket to the wall using the provided hardware. Ensure it is firmly attached.
- The heater features a back entry plate with cable clamps mo te waea.

Image 3: Illustration of the concealed mounting bracket system for secure and discreet installation.
5.3 Hononga Hiko
IMPORTANT: All wiring must comply with the National Electrical Code (NEC) and local codes. Consult a qualified electrician if you are unsure about any part of the wiring process.
- Route the 240V or 208V electrical supply wires to the heater's junction box located at the back entry plate.
- Connect the heater's wires to the supply wires according to the wiring diagram provided in the full installation guide (refer to the diagram on the heater or in the included manual). Typically, this involves connecting the two hot wires and the ground wire.
- Secure all connections with appropriate wire connectors.
- Ensure all wiring is neatly tucked into the junction box and the cover is securely fastened.

Image 4: Visual representation of the 240V hardwired connection required for the heater.
5.4 Finalizing Installation
- Carefully hang the heater unit onto the mounted bracket, ensuring it clicks securely into place.
- Install your electronic wall thermostat according to its specific instructions.
- Once the heater and thermostat are fully installed and all connections are secure, restore power at the circuit breaker.

Image 5: The Stelpro convector heater seamlessly installed on a wall in a home office environment.
6. Nga Tohutohu Whakahaere
Since the Stelpro ASHC0502WCW heater does not have a built-in thermostat, its operation is entirely controlled by the external electronic wall thermostat you have installed.
- Whakahiko: After installation, ensure the circuit breaker supplying power to the heater is in the 'ON' position.
- Mana Thermostat: Adjust the desired temperature setting on your electronic wall thermostat. The heater will activate when the room temperature falls below the set point and deactivate when it reaches the set point.
- Mahi Ataahua: This convector heater operates silently, providing natural convection heat without a fan.
7. Tiaki
Mā te tiaki auau ka tino pai te mahi me te roa o te wā e whakamahia ai tō whakamahana. Me momotu te hiko i te whati ara iahiko i mua i te mahi i tētahi tiaki.
- Te horoi: Horoia te taha waho o te whakamahana i ia wā ki te wai ngohengohe,amp cloth. Do not use abrasive cleaners, solvents, or spray directly onto the heater.
- Tango Puehu: Use a vacuum cleaner with a brush attachment to remove dust from the air intake and discharge grilles. Ensure these areas remain clear for proper airflow.
- Tirotiro: Annually inspect the heater for any signs of damage, loose connections, or unusual wear. If any issues are found, contact a qualified electrician or Stelpro support.
8. Te Raru
If your heater is not functioning as expected, consult the following common issues before contacting support.
| Raruraru | Take pea | Rongoā |
|---|---|---|
| Kare te whakamahana e ka ana. | Kaore he mana ki te waeine. Thermostat set too low or off. Hononga waea matara. | Tirohia te wehenga iahiko. Ensure thermostat is set above room temperature and is functioning. Verify wiring connections (power off first). |
| He iti rawa te wera o te whakamahana. | Heater size inadequate for room. Te aukati hau. Thermostat hē. | Ensure heater coverage (50 sq ft) matches room size. Clear any obstructions from intake/discharge grilles. Test or replace thermostat. |
| He kakara, he oro rereke ranei. | New unit burn-off (initial use). Te whakaemi puehu. Te take o roto. | Initial odors are normal and will dissipate. Clean heater as per maintenance section. If persistent or severe, disconnect power and contact support. |
If troubleshooting steps do not resolve the issue, please contact Stelpro customer support or a qualified electrician.
9. Pūtāhui me te Tautoko
Your Stelpro Ultra-Quiet Wall Convector Heater ASHC0502WCW is backed by a comprehensive warranty:
- 5-tau iti pūtāhui on the overall unit.
- Pūtāhui ora i runga i te huānga whakawera.
- 3 tau whakamana on electronic components.
For warranty claims, technical assistance, or further support, please visit the official Stelpro webpaetukutuku, whakapā atu ranei ki ta raatau tari ratonga kaihoko. Puritia to tohu hoko mo te whakamana whakamana.
Stelpro Webpae: www.stelpro.com