107077-001 - Product Manual - Model #1590 Axial Construction Heater / Blower - Rev. 05 - 07-01-2015
Page 17
5.2 - Start-Up & Operating Procedures (continued)
1.5m
1590 Heater
Air Flow Alarm (optional)
Ventilation Hose
Confined Space
Figure #5.2c:
1590 Heater / Blower
Setup for Confined Spaces
Important Notes:
- During confined space entry operations, it should not be assumed that the heater/blower will maintain the air inside the
confined space at a safe condition. When the ventilator is in use, the air inside the confined space should be monitored
continuously for the presence of poisonous gases and/or toxic fumes.
- Ensure that the blower provides positive airflow the entire time during usage. The blower can be used with an acces
-
sory Pelsue Air Flow Alarm (#123717-001) in order to alert the entrants if positive ventilation is lost
-As shown in Figure #5.2c below, the heater should be placed at least 1.5 meters (approximately 5 feet) upwind of the
confined space point of entry, in order to ensure that any contaminants are not directed toward the heater inlet.
Direction of Wind