Rival 18 Qt Roaster Oven with Buffet Server "pan keep food warm" Questions

...keep a large amt. of food warm in my Rival oven roaster, do I put water in the pan between the two pans to steam it? The food I'm keeping warm is chicken stir fry for 40 people, and what temp. would ...

pan with 5 to 6 quarts of water ot 1/2 - 3.4 full. Place in the buffet server frame and the empty serving dishes and then preheat at 350 degrees until hot. Place hot, cooked food in the serving dishes